Company Andrew Duffy created these great apps:
BallsBounce, ColorMix, Collisions1D, MassSpring, Projectile, Football Hang Time, PhysicsWaves, BallBounceHD, ColorMixHD, MassSpringHD, BOS26pt2HD, BOS26pt2, Physics I HD, Physics II HD, PhysicsWavesHD, ProjectileHD, OpticsHD, and others..
