1 2 ka 4 app is one type of mathemetical puzzle game, in which player solve puzzles and win coins. wohever has high speed of solving puzzle win the coin. if both player gives right answer at same time we refund coin to both player. this app needs two player for each game. there is two type of coin in game yellow and green, you can play with both coin but redeem only yellow coin game high lights:- >refer and earn >joining bous >easy question >answer in only one digit >improve your math and memory >coinless play >tournaments[详情]