Photo Pinner (com.quinny898.app.photopinner) on Google Play
Ever wanted to show someone just one photo, but they end up going through your whole album?Photo Pinner solves that, using the inbuilt features of Android 5.0+Simply select a photo in your favourite gallery app, share it to Photo Pinner and press the pin button. Android will take care of the rest - you can even make it go to the lockscreen before unpinning!Photo Pinner is totally free, free from ads, has a tiny file size and needs no permissionsIt also supports basic pinch zoom features, and views in fullscreen