Waypoint EDU - Waypoint EDU is a fun, educational augmented-reality geocaching game for classrooms and families.
OJOO - Play and create engaging games
Tiny Tap - Create educational games from your photos
Mathgoras - Mathgoras is an educational mobile game, focused on the logical thinking of children in primary schools with tasks focused on the child's behavior in everyday life.
Legend of Grimrock - Legend of Grimrock is a dungeon-themed game that is reminiscent of d20 role playing games. Action and adventure combine to produce hours or entertainment.
Reading List - Reading List is a read-it-later app by Microsoft, which is bundled in Windows 8.1 onwards.