# 📂 App functionality **<— Return to:** @[https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/profiles-UiYjt5uT5E](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/profiles-UiYjt5uT5E) --- **<— Previous lesson:** @[https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/work-profile-shelter-TgPu6g3VL9](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/work-profile-shelter-TgPu6g3VL9) **—> Go deeper:** @[https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/exploit-protection-compatibility-z2rdMnVfgu](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/exploit-protection-compatibility-z2rdMnVfgu) [https://iframe.mediadelivery.net/embed/158816/fbdb7732-3bde-4db6-b58e-7727742a6899?autoplay=false&loop=false&muted=false&preload=true&responsive=true](https://iframe.mediadelivery.net/embed/158816/fbdb7732-3bde-4db6-b58e-7727742a6899?autoplay=false&loop=false&muted=false&preload=true&responsive=true) This video shows various examples of how to approach specific apps that are in a separate user profile and require a phone number to log in require either Google Play services to be installed, or what to do when the sandbox hardening of GrapheneOS interferes with an apps functionality. :::warning **Please note:** This video is not intended as a guide to follow, bur rather to showcase different types of apps and what can be done to be able to get them to work.  ::: ### **Some challenges that we may face with apps:** * apps broken by GrapheneOS's sandbox hardening * apps requiring Google Play services * apps requiring logging in (to a Google account) * apps requiring to log in via code sent to a phone number (or Email) * apps requiring to open a link to authenticate from the same profile the app is installed in   __Timestamps:__ 0:00 Quickly switch profiles (via quick settings button) 0:25 Install apps (via Aurora Store) 1:10 example 1: install Uber 2:30 example 2: install RBC (banking app) 3:15 Check app compatibility for RBC (banking app) 3:30 Manage app compatibility 3:50 enable 'Exploit protection compatibility mode (disable GrapheneOS's sandbox hardening) 4:30 Login to apps requiring phone numbers (that are set up in a separate user) 6:15 Notification forwarding from separate user 8:20 Change name or picture of user profile 8:45 Creating 3rd user 10:35 Check app compatibility (ex. Blablacar)    -- Result: app doesn't work, says it is missing Google Play services 10:55 workaround - use web browser to access a service instead of app 11:45 Installing Google Play 13:00 Strategy for apps requiring Google 14:25 Initialize Google (without signing in) 14:55 Check app compatibility with Google Play services installed (ex. Blablacar)    -- Result: app works as expected 15:20 Check app compatibility (ex. Braintap)    -- Result: app doesn't work, says it's missing Google Play services 15:55 Installing Google Play 17:00 Check app compatibility with Google Play services installed (ex. Braintap)   -- Result: app moves forward, but forces user to log in to a Google account 18:05 Change name or picture of user profile 18:45 Delete user profile     __Topics covered here:__ * Setting up an app in a separate user profile, that requires a phone number login  * Getting notifications of apps in separate user profiles * Get apps working that require Google Play services * Get apps working by lowering GrapheneOS' sandbox hardening --- **Documents** - [Getting Started](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/getting-started-2PIp21MpGq) - [Application Guides](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/application-guides-jAjlxuCIBy) - [Above Essentials](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/above-essentials-KkbCdqt7F7) - [Profiles](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/profiles-UiYjt5uT5E) - [Migrating from other devices](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/migrating-from-other-devices-h0cJeSFPOe) - [Backup & Restore](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/backup-restore-8eA0cmjC3G) - [FAQs](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/faqs-HUNU8JOych) - [Privacy Strategies](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/privacy-strategies-uHCZH7KxdC) - [Older Above Phones](https://learn.above.im/s/12aef602-75ec-4367-b619-07ad051e2a6f/doc/older-above-phones-fG3zUVbYnS)