DragonBox Algebra - DragonBox Algebra 5+ - The educational game that secretly teaches you algebra.
Iceberger - Draw an iceberg and see how it will float
Cool Math Endless Run - Cool Math Endless Run is a monster math game and an endless run adventure.
Hypefury - No idea what to share on Twitter?
Akribian - Akribian turns children into Mathemagicians with their new iOS app, Count on me!
My Twitter Inspiration Handbook - The best brand tweets grouped into categories.