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.