I can show an app in which user's notes are stored to the cloud and then backed up if they are lost or deleted. There are many other uses of cloud storage. Would love to discuss more details about what exactly you need.
I am android developer and java certified I get MCIT Scholarship I working in and finished 8 apps including google map api, Facebook and twitter integration YouTube api and NFC technology consuming JSON and using parse framework as cloud and apply push notification using parse
you want app with parse cloud or backendless or other
I have many project with parse cloud