App Name: Le24 [iOS]
Cost: Free
Developer: Marco Pereira
App Market: Download Page
Description:
Le24. The new reflexion, mental arythmetic game
Can you calculate 24 with 4 numbers? Looks preety easy, no? We will see… Le24. The new reflexion game for iPhone.
135 available levels, classed by difficulties, given you 25 bonus to edit your design.