When comparing AndEngine vs Nez, the Slant community recommends Nez for most people. In the question“What are the best 2D game engines?” Nez is ranked 89th while AndEngine is ranked 102nd. The most important reason people chose Nez is:
The community is very active, so if you ask for help you'll get it relatively quickly.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Functionality can be extended
AndEngine has extensions that can add additional functionality to the engine.
Pro Active community
The community is very active, so if you ask for help you'll get it relatively quickly.
Pro Open source
Completely free, no need to pay for licenses.
Pro Cross-platform development thanks to the use of mono and xamarin
Nez is built on top of monoGame and can be used the make games for many platforms (Windows, Linux, Mac, Android or IOS).
Cons
Con Abandoned
No work on the engine has been done since 2013.
Con Doesn't support current SDK
Only works on older SDK that isn't even supported anymore by google or Android Studio.
Con Poorly documented
Documentation is severely lacking.
Con Just a framework
Meaning there's no visual scene designer so you'll have to write your own.