App for Offline Google Forms responses

Looking for an App. to be used on Mobile & other devices that can allow completion of Google Forms for offline, which will then automatically sync to our response records (themselves synced to Google Forms) online once internet becomes available. Responses would need to be stored to allow multiple offline responses to be possible, as well as options for adding Photo Receipts (something which Google Forms offers) and standard drop down/multiple choice formatting akin to Google Forms. Syncing should be automatic with users only needing to submit one response and then 'forget about it', confident that it'll all be transferred to the right place in the cloud once internet becomes available.