Google+ is a Photo Backup service which allows you to store, edit, share and organize your Photos. Once you Backup your Photos on Google+, you need not worry for retaining them back. You can simply download them from 'Google+' App, back. If you are looking for a step by step process to Download Google backup Photos, go through the following:
Automate backup & migration of your photos & videos with support for all top services.
Trusted by users in 125+ countries.
“Your pictures are scattered. PicBackMan helps you bring order to your digital memories.”