Tools 4 Students. Puppet Pals HD. Songify for iPhone, iPod touch (2nd generation), iPod touch (3rd generation), iPod touch (4th generation), and iPad on the iTunes App Store. Popplet lite. VoiceThread. ScreenChomp. Doodle Buddy for iPad – Paint, Draw, Scribble, Sketch – It’s Addictive! iCardSort.