Hi, you can run this app on another device to see if this issue just occurs on your iPad air. If so, it is your iPad issue that causes the game app to crash. In such a situation, maybe you can try restarting your iPad or reset all settings to settle the issue. If fortune favors, the game app crashing issue will be controlled after these operations. Suppose the problem remains, simply apply a repair tool like Joyoshare UltFix, 3u Tools, and the like to help you. Such tools are able to repair this kind of problem with no data loss. Hope these can be useful to you.