It's nice that you have made the decision to ask which wallet is best for you to use. Since you are mobile-friendly and you only need a bitcoin wallet, I will suggest you make use of Electrum and BlueWallet, which are both open-source wallets that are
both compatible with iOS and Android
Electrum official link:
https://electrum.org/#homeDownload link:
https://electrum.org/#downloadBlue wallet:
https://bluewallet.io/Edit; Electrum don’t have IOS version, thanks to hosseinimr93 for the correction.
thanks for your support, specially for mobile app. u catch me that im mobile friendly.
by the way what is coins game