Developer Bertil Hörberg has just released a 3D platform game called Helium Boy for Android. This is an original game where you use helium balloons to fly through diverse, colorful environments and collect all the stars. Watch out for birds, flying ninjas and spikey things!
The game costs $2.05 to buy and do check out the game trailer here and then the download link thereafter :
Helium Boy ($2.05) - Android Market