It remains only on your device and wherever else you have backup copies of that content. Cloud Drive computer-based software or mobile device app. In the online retailer launched Amazon Web Services, and when it launched its Kindle Fire tablets, it began offering Amazon Cloud storage. : The Cloud Amazon played a key role in the fruition of personal cloud computing, being one of the first in the industry to offer cloud storage service-'your personal hard drive in the cloud-to its retail customers. Many app developers now release a version of their products that are compatible with Amazon's version of Android, and even release versions specifically for Kindle Fire HD devices that make use of its HD features. : Table Of Contents Features : Features 'forked' Android OS installation is when you are attempting to install a made-for-Android app that relies on some feature of the OS that Amazon has not enabled.