Photofy can access images that are not on your local device via Dropbox!
It's really easy to do!
1. Tap on Photos & Collages
2. Swipe tabs to the right and tap on "Dropbox", and then Tap on "Get Started". .
3. Sign in to your Dropbox account.
4. Allow Photofy to access images within your Dropbox account.
5. Choose images from the folders within the account!