diff --git a/src/components/accounts/reducer.js b/src/components/accounts/reducer.js
index 4dc0cc4..467eb77 100644
--- a/src/components/accounts/reducer.js
+++ b/src/components/accounts/reducer.js
@@ -4,19 +4,21 @@ export type Account = {
     username: string,
     email: string,
     token: string,
-    refreshToken: ?string,
+    refreshToken: ?string
 };
 
 export type State = {
     active: ?number,
-    available: Array<Account>,
+    available: Array<Account>
 };
 
-
-export type AddAction = { type: 'accounts:add', payload: Account};
-export type RemoveAction = { type: 'accounts:remove', payload: Account};
-export type ActivateAction = { type: 'accounts:activate', payload: Account};
-export type UpdateTokenAction = { type: 'accounts:updateToken', payload: string };
+export type AddAction = { type: 'accounts:add', payload: Account };
+export type RemoveAction = { type: 'accounts:remove', payload: Account };
+export type ActivateAction = { type: 'accounts:activate', payload: Account };
+export type UpdateTokenAction = {
+    type: 'accounts:updateToken',
+    payload: string
+};
 export type ResetAction = { type: 'accounts:reset' };
 
 type Action =
@@ -27,14 +29,14 @@ type Action =
     | ResetAction;
 
 export function getActiveAccount(state: { accounts: State }): ?Account {
-    const activeAccount = state.accounts.active;
-    // TODO: remove activeAccount.id, when will be sure, that magor part of users have migrated to new state structure
-    const accountId: number | void = typeof activeAccount === 'number' ? activeAccount : (activeAccount || {}).id;
+    const accountId = state.accounts.active;
 
     return state.accounts.available.find((account) => account.id === accountId);
 }
 
-export function getAvailableAccounts(state: { accounts: State }): Array<Account> {
+export function getAvailableAccounts(state: {
+    accounts: State
+}): Array<Account> {
     return state.accounts.available;
 }
 
@@ -47,8 +49,14 @@ export default function accounts(
 ): State {
     switch (action.type) {
         case 'accounts:add': {
-            if (!action.payload || !action.payload.id || !action.payload.token) {
-                throw new Error('Invalid or empty payload passed for accounts.add');
+            if (
+                !action.payload
+                || !action.payload.id
+                || !action.payload.token
+            ) {
+                throw new Error(
+                    'Invalid or empty payload passed for accounts.add'
+                );
             }
             const { payload } = action;
 
@@ -68,8 +76,14 @@ export default function accounts(
         }
 
         case 'accounts:activate': {
-            if (!action.payload || !action.payload.id || !action.payload.token) {
-                throw new Error('Invalid or empty payload passed for accounts.add');
+            if (
+                !action.payload
+                || !action.payload.id
+                || !action.payload.token
+            ) {
+                throw new Error(
+                    'Invalid or empty payload passed for accounts.add'
+                );
             }
 
             const { payload } = action;
@@ -77,10 +91,10 @@ export default function accounts(
             return {
                 available: state.available.map((account) => {
                     if (account.id === payload.id) {
-                        return {...payload};
+                        return { ...payload };
                     }
 
-                    return {...account};
+                    return { ...account };
                 }),
                 active: payload.id
             };
@@ -94,14 +108,18 @@ export default function accounts(
 
         case 'accounts:remove': {
             if (!action.payload || !action.payload.id) {
-                throw new Error('Invalid or empty payload passed for accounts.remove');
+                throw new Error(
+                    'Invalid or empty payload passed for accounts.remove'
+                );
             }
 
             const { payload } = action;
 
             return {
                 ...state,
-                available: state.available.filter((account) => account.id !== payload.id)
+                available: state.available.filter(
+                    (account) => account.id !== payload.id
+                )
             };
         }
 
@@ -118,12 +136,12 @@ export default function accounts(
                     if (account.id === state.active) {
                         return {
                             ...account,
-                            token: payload,
+                            token: payload
                         };
                     }
 
-                    return {...account};
-                }),
+                    return { ...account };
+                })
             };
         }
 
diff --git a/src/components/contact/ContactForm.js b/src/components/contact/ContactForm.js
index a2ed222..832d16d 100644
--- a/src/components/contact/ContactForm.js
+++ b/src/components/contact/ContactForm.js
@@ -48,7 +48,7 @@ export class ContactForm extends Component {
         const {onClose} = this.props;
 
         return (
-            <div className={isSuccessfullySent ? styles.successState : styles.contactForm}>
+            <div data-e2e="feedbackPopup" className={isSuccessfullySent ? styles.successState : styles.contactForm}>
                 <div className={popupStyles.popup}>
                     <div className={popupStyles.header}>
                         <h2 className={popupStyles.headerTitle}>
diff --git a/src/components/contact/ContactLink.js b/src/components/contact/ContactLink.js
index 9952399..a7f20bd 100644
--- a/src/components/contact/ContactLink.js
+++ b/src/components/contact/ContactLink.js
@@ -4,19 +4,30 @@ import { connect } from 'react-redux';
 import { create as createPopup } from 'components/ui/popup/actions';
 import ContactForm from './ContactForm';
 
-function ContactLink({createContactPopup, ...props}: {
+function ContactLink({
+    createContactPopup,
+    ...props
+}: {
     createContactPopup: () => void,
     props: Object
 }) {
     return (
-        <a href="#" onClick={(event) => {
-            event.preventDefault();
+        <a
+            href="#"
+            data-e2e-button="feedbackPopup"
+            onClick={(event) => {
+                event.preventDefault();
 
-            createContactPopup();
-        }} {...props} />
+                createContactPopup();
+            }}
+            {...props}
+        />
     );
 }
 
-export default connect(null, {
-    createContactPopup: () => createPopup(ContactForm),
-})(ContactLink);
+export default connect(
+    null,
+    {
+        createContactPopup: () => createPopup(ContactForm)
+    }
+)(ContactLink);
diff --git a/src/components/dev/apps/ApplicationsIndex.js b/src/components/dev/apps/ApplicationsIndex.js
index ed82ebb..205624b 100644
--- a/src/components/dev/apps/ApplicationsIndex.js
+++ b/src/components/dev/apps/ApplicationsIndex.js
@@ -22,7 +22,7 @@ type Props = {
     applications: Array<OauthAppResponse>,
     isLoading: bool,
     deleteApp: string => Promise<any>,
-    resetApp: (string, bool) => Promise<any>,
+    resetApp: (string, bool) => Promise<any>
 };
 
 export default class ApplicationsIndex extends Component<Props> {
@@ -139,7 +139,7 @@ function Guest() {
 
 function NoApps() {
     return (
-        <div className={styles.emptyState}>
+        <div data-e2e="noApps" className={styles.emptyState}>
             <img src={cubeIcon} className={styles.emptyStateIcon} />
             <div className={styles.emptyStateText}>
                 <div>
@@ -152,6 +152,7 @@ function NoApps() {
 
             <LinkButton
                 to="/dev/applications/new"
+                data-e2e="newApp"
                 label={messages.addNew}
                 color={COLOR_GREEN}
                 className={styles.emptyStateActionButton}
diff --git a/src/components/dev/apps/list/ApplicationItem.js b/src/components/dev/apps/list/ApplicationItem.js
index 33d8de1..8f50345 100644
--- a/src/components/dev/apps/list/ApplicationItem.js
+++ b/src/components/dev/apps/list/ApplicationItem.js
@@ -63,6 +63,8 @@ export default class ApplicationItem extends Component<
                 className={classNames(styles.appItemContainer, {
                     [styles.appExpanded]: expand
                 })}
+                data-e2e="appItem"
+                data-e2e-app={app.clientId}
             >
                 <div className={styles.appItemTile} onClick={this.onTileToggle}>
                     <div className={styles.appTileTitle}>
diff --git a/src/components/dev/apps/list/ApplicationsList.js b/src/components/dev/apps/list/ApplicationsList.js
index 9a146b1..9c7d282 100644
--- a/src/components/dev/apps/list/ApplicationsList.js
+++ b/src/components/dev/apps/list/ApplicationsList.js
@@ -49,6 +49,7 @@ export default class ApplicationsList extends React.Component<Props, State> {
                     </div>
                     <LinkButton
                         to="/dev/applications/new"
+                        data-e2e="newApp"
                         label={messages.addNew}
                         color={COLOR_GREEN}
                         className={styles.appsListAddNewAppBtn}
diff --git a/src/components/ui/form/LinkButton.js b/src/components/ui/form/LinkButton.js
index b9d3844..04e90e8 100644
--- a/src/components/ui/form/LinkButton.js
+++ b/src/components/ui/form/LinkButton.js
@@ -5,10 +5,10 @@ import { Link } from 'react-router-dom';
 
 import Button from './Button';
 
-export default function LinkButton(props: ElementProps<typeof Button> & ElementProps<typeof Link>) {
-    const {to, ...restProps} = props;
+export default function LinkButton(
+    props: ElementProps<typeof Button> & ElementProps<typeof Link>
+) {
+    const { to, ...restProps } = props;
 
-    return (
-        <Button component={Link} to={to} {...restProps} />
-    );
+    return <Button component={Link} to={to} {...restProps} />;
 }
diff --git a/src/containers/PrivateRoute.js b/src/containers/PrivateRoute.js
index 02be8bd..bd201d4 100644
--- a/src/containers/PrivateRoute.js
+++ b/src/containers/PrivateRoute.js
@@ -7,7 +7,7 @@ import type { ComponentType } from 'react';
 import type { Account } from 'components/accounts';
 
 const PrivateRoute = ({account, component: Component, ...rest}: {
-    component: ComponentType<*>,
+    component: ComponentType<any>,
     account: ?Account
 }) => (
     <Route {...rest} render={(props: {location: string}) => (
diff --git a/src/pages/dev/DevPage.js b/src/pages/dev/DevPage.js
index 87b03b5..d6e683b 100644
--- a/src/pages/dev/DevPage.js
+++ b/src/pages/dev/DevPage.js
@@ -2,6 +2,7 @@
 import React from 'react';
 import { Redirect, Route, Switch } from 'react-router-dom';
 import { FooterMenu } from 'components/footerMenu';
+import PrivateRoute from 'containers/PrivateRoute';
 
 import styles from './dev.scss';
 import ApplicationsListPage from './ApplicationsListPage';
@@ -11,12 +12,25 @@ import UpdateApplicationPage from './UpdateApplicationPage';
 export default function DevPage() {
     return (
         <div className={styles.container}>
-            <Switch>
-                <Route path="/dev/applications" exact component={ApplicationsListPage} />
-                <Route path="/dev/applications/new" exact component={CreateNewApplicationPage} />
-                <Route path="/dev/applications/:clientId" component={UpdateApplicationPage} />
-                <Redirect to="/dev/applications" />
-            </Switch>
+            <div data-e2e-content>
+                <Switch>
+                    <Route
+                        path="/dev/applications"
+                        exact
+                        component={ApplicationsListPage}
+                    />
+                    <PrivateRoute
+                        path="/dev/applications/new"
+                        exact
+                        component={CreateNewApplicationPage}
+                    />
+                    <PrivateRoute
+                        path="/dev/applications/:clientId"
+                        component={UpdateApplicationPage}
+                    />
+                    <Redirect to="/dev/applications" />
+                </Switch>
+            </div>
 
             <div className={styles.footer}>
                 <FooterMenu />
diff --git a/src/services/api/oauth.js b/src/services/api/oauth.js
index 07552d8..c82b20b 100644
--- a/src/services/api/oauth.js
+++ b/src/services/api/oauth.js
@@ -49,7 +49,7 @@ type FormPayloads = {
     minecraftServerIp?: string,
 };
 
-export default {
+const api = {
     validate(oauthData: OauthData) {
         return request.get(
             '/api/oauth2/v1/validate',
@@ -116,6 +116,13 @@ export default {
         return request.delete(`/api/v1/oauth2/${clientId}`);
     },
 };
+
+if (window.Cypress) {
+    window.oauthApi = api;
+}
+
+export default api;
+
 /**
  * @param {object} oauthData
  * @param {string} oauthData.clientId
diff --git a/tests-e2e/cypress/fixtures/accounts.json b/tests-e2e/cypress/fixtures/accounts.json
index 617811e..385e8a6 100644
--- a/tests-e2e/cypress/fixtures/accounts.json
+++ b/tests-e2e/cypress/fixtures/accounts.json
@@ -1,11 +1,13 @@
 {
     "account1": {
+        "id": "7",
         "username": "SleepWalker",
         "email": "danilenkos@auroraglobal.com",
         "login": "SleepWalker",
         "password": "qwer1234"
     },
     "account2": {
+        "id": 102,
         "username": "test",
         "email": "admin@udf.su",
         "login": "test",
diff --git a/tests-e2e/cypress/integration/dev/guest.test.js b/tests-e2e/cypress/integration/dev/guest.test.js
new file mode 100644
index 0000000..4d7e672
--- /dev/null
+++ b/tests-e2e/cypress/integration/dev/guest.test.js
@@ -0,0 +1,28 @@
+describe('/dev/applications - guest', () => {
+    it('should render login button', () => {
+        cy.visit('/dev/applications');
+
+        cy.get('[data-e2e-content] [href="/login"]').click();
+
+        cy.url().should('include', '/login');
+    });
+
+    it('should not allow create new app', () => {
+        cy.visit('/dev/applications/new');
+
+        cy.url().should('include', '/login');
+    });
+
+    it('should not allow edit app', () => {
+        cy.visit('/dev/applications/foo-bar');
+
+        cy.url().should('include', '/login');
+    });
+
+    it('should have feedback popup link', () => {
+        cy.visit('/dev/applications');
+
+        cy.get('[data-e2e-content] [data-e2e-button="feedbackPopup"]').click();
+        cy.get('[data-e2e="feedbackPopup"]').should('be.visible');
+    });
+});
diff --git a/tests-e2e/cypress/integration/dev/user.test.js b/tests-e2e/cypress/integration/dev/user.test.js
new file mode 100644
index 0000000..d3d4c0a
--- /dev/null
+++ b/tests-e2e/cypress/integration/dev/user.test.js
@@ -0,0 +1,42 @@
+describe('/dev/applications - user', () => {
+    before(() => {
+        cy.login({ account: 'default' }).then(({ user }) => {
+            cy.visit('/dev/applications');
+
+            // remove all previousely added apps
+            cy.window().then(async ({ oauthApi }) => {
+                const apps = await oauthApi.getAppsByUser(user.id);
+
+                await Promise.all(
+                    apps.map((app) => oauthApi.delete(app.clientId))
+                );
+            });
+        });
+    });
+
+    // TODO: test the first screen is without any list rendered
+    // TODO: test validation
+
+    it('should add website app', () => {
+        cy.visit('/dev/applications');
+
+        cy.get('[data-e2e="noApps"]').should('exist');
+
+        cy.get('[data-e2e="newApp"]').click();
+
+        cy.url().should('include', '/dev/applications/new');
+
+        cy.get('[value="application"]').check({ force: true });
+
+        cy.get('[name="name"]').type('The Foo');
+        cy.get('[name="description"]').type('The Foo Description');
+        cy.get('[name="websiteUrl"]').type('https://ely.by');
+        cy.get('[name="redirectUri"]').type('https://ely.by/the/redirect/uri');
+
+        cy.get('[type="submit"]').click();
+
+        cy.url().should('include', '/dev/applications#the-foo');
+
+        cy.get('[data-e2e-app="the-foo"]').should('exist');
+    });
+});
diff --git a/tests-e2e/cypress/support/commands.js b/tests-e2e/cypress/support/commands.js
index c1f5a77..ef534d0 100644
--- a/tests-e2e/cypress/support/commands.js
+++ b/tests-e2e/cypress/support/commands.js
@@ -1,3 +1,5 @@
+import { account1, account2 } from '../fixtures/accounts.json';
+
 // ***********************************************
 // This example commands.js shows you how to
 // create various custom commands and overwrite
@@ -23,3 +25,69 @@
 //
 // -- This is will overwrite an existing command --
 // Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })
+
+const accountsMap = {
+    // default: account1,
+    default: account2
+};
+
+Cypress.Commands.add('login', async ({ login, password, account }) => {
+    let credentials;
+
+    if (account) {
+        credentials = accountsMap[account];
+
+        if (!credentials) {
+            throw new Error(`Unknown account name: ${account}`);
+        }
+    }
+
+    const resp = await fetch('/api/authentication/login', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
+        },
+        body: `login=${credentials.login}&password=${credentials.password}&rememberMe=1`
+    }).then((resp) => resp.json());
+
+    const state = createState([
+        {
+            id: credentials.id,
+            username: credentials.username,
+            email: credentials.email,
+            token: resp.access_token,
+            refreshToken: resp.refresh_token
+        }
+    ]);
+
+    localStorage.setItem('redux-storage', JSON.stringify(state));
+
+    return state;
+});
+
+function createState(accounts) {
+    return {
+        accounts: {
+            available: accounts,
+            active: accounts[0].id
+        },
+        user: {
+            id: 102,
+            uuid: 'e49cafdc-6e0c-442d-b608-dacdb864ee34',
+            username: 'test',
+            token: '',
+            email: 'admin@udf.su',
+            maskedEmail: '',
+            avatar: '',
+            lang: 'en',
+            isActive: true,
+            isOtpEnabled: true,
+            shouldAcceptRules: false,
+            passwordChangedAt: 1478961317,
+            hasMojangUsernameCollision: true,
+            isGuest: false,
+            registeredAt: 1478961317,
+            elyProfileLink: 'http://ely.by/u102'
+        }
+    };
+}