How to prohibit mobile phones from sending paid game short messages?

Well, it depends on whether your mobile phone has this function. Like Sony Ericsson, it can have multi-authority SMS function. -No, it won't be sent out. It's no use pressing send. You can see if your mobile phone has this function.

Also, you can ask him to download the cracked version of the game. If it is cracked, you can continue to send it without deducting money.