Small sniper app for iPhone and iPad

"Sniper" is a mathematical enlightenment shooting game. By playing the game, you can ensure that players can master the mathematical addition and subtraction of 1-10. The game is simple to play, slide the screen to control the sniper to move left and right, click the sniper to launch the canister needed for bullet shooting, successful shooting can extend the time, and get points and shells. If the shooting is wrong, or the can moves out of the screen, the time is deducted 5s, when the time is 0, the game ends. The longer the player persists, the greater the chance of getting a shell.