http://www.musicalandroid.com/blog/imageline-what-to-do-if-their-apps-do-not-work-on-your-device
The conclusion is that Google changed in the end of 2014 the grace period from fifteen minutes to two hours and someone actually found a video using FL Studio Mobile on Android 2.3.4 and it seems to run fairly well.
I still have some quibbles but as things are now my main complaints are not valid anymore.