How to solve Metamask sync issue with Android.

You have to initiate connection manually if you can't connect your Metamask wallet with The Nemesis.

Open Metamask from your Android device and navigate to the hamburger menu in the left-top corner. Tapping on this will bring up a sidebar menu. Tap on 'Browser', and you have an intuitive interface to find the dapp you're looking for, including a search bar. Use this link https://game.thenemesis.io/metamask/?_Uid=VZiXdjdMPia1lqtWZ4mKWaH57Wf1&_id=624c4c4fc09db6003710b1f7&platform=mobile and proceed with the syncronization.

Discover more about Manually connecting to a dapp and Marking Dapps as 'favorites' in MetaMask Mobile.