Company Educational Virtual Worlds created these great apps:
Science Island, Geology Island 2, Ocean Explorer, 3D Fossil Adventure 2, 3D Mineral, 3D Weather Adventure, Mars Colony 2, 3D Algebra Island, 3D Forest Explorer, 3D Fossil Adventure 3, 3D Fossil, AR Virginia Geology, Ocean Explorer 3, Geology Island 4, Science Island 5, The Time Submarine, and others..