4Gram APK is a Free Facebook application for your Android smartphones and tablets, that help you to get easily and speedily unlimited likes and comments on your Facebook photograph, videos, and posts in free of cost and you don't need to pay any charges for anyone. In additional it also provides an easy, simple and faster way to use. It is 100% spam free app and I grunted you that

never becomes harmful to your Instagram account and tablets or phone as well as it is a virus protected the app.