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Fotor Photo Editor - Photo Collage & Photo Effects v6.2.0.895 (Pro) (koumkouat Mod)
Mod Info: Pro features unlocked.
FYI: After swiping through the introduction screens press "Go around".
I used screener and https://play.google.com/store/apps/details?id=com.everimaging.photoeffectstudio just used the collage feature :)