Making music with Korg Volca Sample and Korg Volca FM is really fun. VividTracker supports uploading both samples and notes to Korg Volca Sample, so I made a little song using the two:

I must admit I haven't been that successful making games for iOS, but I enjoyed the fun anyhow. Here is the game Spinoid for iOS that I made a couple of years ago:

Spinoid the game

The music was created in VividTracker and here is the full song: