Rincón de Luca is an application of mathematics ABN designed for children aged 3 to 10 years fun playing and learn naturally. The app has many games where the 4 basic operations by ABN method table 100 games with sticks working groups in tens and hundreds, decomposition of numbers, multiplication tables, symmetry are covered, the count figures, etc. Many games consist of different phases whose difficulty is increasing, to avoid the frustration of the child and their learning is gradual.