keezy - A colorful soundboard. Play with music.
Audiko - Audiko Ringtones is a free to use mobile application that can help you customize your mobile phone by setting the most beautiful images your background and the most popular ringtones as your notification signals.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
Wallpaper background - Wallpaper background is another free to use mobile personalization application that lets you enjoy more than 10 million high-quality wallpapers, consists of multiple categories such as Nature, Movies, Places, Flavors, and Games etc.
Aftertouch - Aftertouch – 3D MIDI Controller created and published by Kevin Nelson.
Great Wallpapers For iPad - Great Wallpapers is an all-in-one iPad application that comes with high-quality images from a plethora of categories.