Tape it Up!
Devsisters Corporation
Pop it up
GamemobSoft
Toast it Up
Mucho Games
Truck It Up!
MINDSENSE GAMES
Fender Tone
Fender Musical Instruments Corporation
トーンジェネレータプロ
WeDoAndroidApps
Tone Generator
TMSOFT
Skin Tone
Telo Sudebyo
Tone Studio
Tone Sphere (トーンスフィア)
Bit192 Labs