Device and external services used:
- 
    Google Sign-in (Documentation) - 
        Sign-in lets the user create and log into their account. The client app will authenticate with Google and pass the authentication token to the server. 
- 
        Sign-in is required for usage of the app. 
 
- 
        
- 
    OpenId Sign-in through Spotify - 
        Spotify sign-in grants the app permission to control and get information from the device’s local Spotify app and account. 
- 
        This access is necessary for usage of the app. 
 
- 
        
- 
    Spotify SDK (Android SDK) - 
        The Spotify SDK allows the app to control the playback of the Spotify app on the device. 
- 
        This library is necessary for meaningful usage of the app. 
 
- 
        
- 
    Spotify API (Web API) - 
        Spotify API allows for requests to be made to get the user’s liked/saved tracks. 
- 
        Access to Spotify API the user to post clips. 
 
-