https://www.buildbox.com/forum/index.php?threads/how-to-add-push-notification-on-game.507/ You would have to integrate it in Xcode and Eclipse. Install the SDK and add the additional code. Shouldn't be too complicated. Long time no see, how is the game going?
@Christoph Hey, yeah I was busy chasing publishers and stuff, going to be releasing the game soon, so I was wrapping things up, what about achievements ?