Use APKPure App
Get Pic Grid old version APK for Android
Pic Grid- FREE professional photo collage app for android
Using this app you can make your photo collection to amazing collages.
You can create best collages, pic frames and grids using this app for instagram.
It supports around 40 grids/frames.
Not only frames it has support for awesome 50+ photo effects.
You can upload images to Facebook,twitter, instagram, email etc.