You can create custom drum kits and edit each pads, sound, pitch, level and decay. Its fun and designed for easy play with hand or thumbs.There are almost 100 sounds to choose from, ranging from acoustic rock drums to electronic 808 and 909 sounds.
http://itunes.apple.com/us/app/drumatron/id546175262?ls=1&mt=8
http://itunes.apple.com/us/app/drumatron/id546175262?ls=1&mt=8