This is 4x4 grid board game / puzzle. Use your touchscreen to move the tiles. All tiles move in the same direction to fill the slots. When two tiles with the same number touch, they DblUp! (merge into one) Eg. 2+2 -> 4, 4+4 -> 8 ...1024+1024=2048. Every move generates additional random time with value 2 or 4. As tiles merge the scores add up. The aim of the game is1. to make the tile 2048 and higher 2. and also make a very HIGH SCORE. There is a UNDO button to revert to state prior the current move.Warning : This game / puzzle is addictive in nature!Caution : You will LEARN power of 2s!! (2^n - > 2,4,8,16,32,64,128,256,512,1024,2048,4096)