amphetype - Advanced typing practice program
Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
TypingMaster - Learn touch-typing technique, and improve/increase typing accuracy and speed.
Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
Type Fu - Type Fu is an app that will teach you how to type fast. The right way. On Mac, Windows and Chrome OS.
Mocha Keyboard - Mocha Keyboard is a leading Bluetooth keyboard application for iPad, iPhone, and iPod touch.