. snapseed
snapseed is one of the best apps for photo editing and color grading it comes with tone curve, HSL menu, etc you can create some amazing photography
snapseed - https://play.google.com/store/apps/details?id=com.niksoftware.snapseed
. touch retouch
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if you are looking for an app for removing the object from an image then this is the best app that you can find on the play store all you need to do is mask the object and remove it, rest the app gonna blend the pic nicely
touchretouch- https://play.google.com/store/apps/details?id=com.advasoft.touchretouch
.fotor
fotor is a great app for skin retouching and portraits editing you can use this for Instagram photo editing
fotor - https://play.google.com/store/apps/details?id=com.everimaging.photoeffectstudio
.overlay
if you want to add text solar flare you can use overlay for that like motivational pic and text on instagram
overlay - https://play.google.com/store/apps/details?id=overlay.codemybrainsout.com.overlay
.lightroom
lightroom is the best of all photo editing app on the market all the professional photographer use Lightroom for their photo editing if you want to step up your game in photography then this is the best choice I can offer
lightroom - https://play.google.com/store/apps/details?id=com.adobe.lrmobile