4/21/2017: It's been a busy past bunch of months. My newest project is now released for both Android and iPhone. Behold, the Gravity Simulator Game:
Gravity Simulator Game - iOS
Gravity Simulator Game - Android
You can read all about it on either of those links. But in short, I built the first version for Android, and it was doing well enough that I thought it was a good idea to produce an iPhone version as well! Hope you enjoy!