#Recommendations for mobile photo editing apps?

I don't need a lot of fancy features, but

**MUST have adjustment sliders, and not just preconfigured filters.**

Also must be on F-Droid or similar.
(I'm not going to log in to a corprate app store.)

#Photography #fdroid #photoapps #graphicdesignismypassion #photoediting #playingwithjpegslikelittlepaperdolls
#sucklessapps #FLOSSmobile