 Shortly after the game 's release , an application called iFruit was released for iOS devices ; this allows players to customise vehicles , create custom license plates and teach Franklin 's dog Chop new tricks , which unlocks additional in @-@ game abilities . Upon its launch , some users reported problems connecting to the application 's servers ; these problems were resolved with an update on 25 September 2013 @.@  iFruit was released for Android on 29 October , and for Windows Phone devices on 19 November . 
