Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
MVGEN - Make your own music videos with audio, gifs, and special effects
Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
Photomosh - Turn anything into a vaporwave
Mocha Keyboard - Mocha Keyboard is a leading Bluetooth keyboard application for iPad, iPhone, and iPod touch.
Decim8 - Turn photographs into glitch art