In that last link you'll find the current stance about screenshots, they're a 'nice to have' for now. It's a balance not making too many demands as to not overwhelm new contributors, is the reasoning I think.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I'm one of the recently added reviewers :)
Here's an issue on the BangleApps repo regarding maintainers: https://github.com/espruino/BangleApps/issues/2993
And a checklist for maintainers and contributors on app contributions: https://github.com/espruino/BangleApps/wiki/App-Contribution
In that last link you'll find the current stance about screenshots, they're a 'nice to have' for now. It's a balance not making too many demands as to not overwhelm new contributors, is the reasoning I think.