This app was mentioned in 16 comments, with an average of 2.44 upvotes
Other than their newer game (Sector Siege), closest game I can think of is Star Chindy.
Currently on sale (£0.79 instead of £2.39)
https://play.google.com/store/apps/details?id=com.MASTGames.StarChindy01
Okay, in that case here are 10 of my most recent and most enjoyable purchases:
Rebuild 3: Gangs of Deadsville
(crashlands is next on my list)
That may be true for a lot of quality games, but this one is inherently flawed to the extent that I would be highly doubtful of the percentage of returning players being a significant statistic.
Here's a short list of games I've stopped playing, but would consider installing again:
These games are not perfect, and some are no longer in active development. But I consider all of them to be more compelling than the pile of garbage Scopely has put out, and they don't have any pay-to-win mechanics.
Star Chindy perhaps?