In this episode of the Windows Phone 7 App Roundup we demonstrate five applications in 30 seconds each. These apps will give you many tools to work with, play the piano directly from your Windows Phone 7 smartphone, and keep you entertained. This week we have Jack of Tools 0:16, Lyrics & Info 0:46, PianoPhone7 1:16, Pocket Recorder 1:46, and Shruiken Ninja 2:16.