Grafio 3 is a an app that lets you transform your sketches into pro-level designs. You begin by drawing a shape with your finger, and the app uses algorithms to straighten and transform your sketch into a polished shape. This app costs $8 and is available for iOS devices only.
Savonix has mad the beta version of its mobile cognitive assessment tool available for a six week trial. The app will test you on your verbal memory, impulse control, emotionality, and information processing speed. It is available for both iOS and Android devices.