Hmm it works here with different multi monitor setups. But scaling breaks it by changing the scaling for the screenshot so that you don’t see the whole screen anymore.

Works with Wayland but bugs if you have scaling on something different than 100%

Threes: https://play.google.com/store/apps/details?id=vo.threes.exclaim&hl=en_US

You must build a boat: https://play.google.com/store/apps/details?id=com.eightyeightgames.ymbab&hl=en_US