Use APKPure App
Get Square Camera old version APK for Android
You could take a picture of square.
This camera provides these functions:
1. Can take a photo of square.
2. Can take continuous shots rapdly. (max. 1000)
3. Can make Animated Gif. (with various resolutions)
4. Can add location tag in the pictures
5. Can control zoom of the camera
6. Can use app-internal gallery.