Google drive is a online data storage service that is made for all kind devices ( eg. pc, tablet, mobile etc ) . I've been using it since 2012, never have had any essue.
It is a pretty good concept cloud service, and easily can syncing file with other - other devices.
Material designed and simple clean layout makes it user friendly. You will see many feautures on it editing, file managing etc. It gives best office suit exprience.
User get 15GB free uses data, if want more then have to pay. some important features you may not see on other like a proper backup ( photos, apps, other files ) . Google Drive is a very useful for all kind devices.