In this thread one can share experience about what engines he have USED, what are the REQUIREMENTS, what is the final CHOICE. Or may be you have started your OWN ENGINE and have something to show (SourceForge, GitHub)
USED AndEngine, libGDX, slick, jgame, nostaljia, JMonkey,
REQUIREMENTS Java, 2D, level editor, physics, particle system, examples, completed projects, crossplatform
CHOICE write my own
OWN nothing to show