Yandex offers Disk, a service for storing and sharing files. The Yandex.Disk API enables programmatic access and retrieval of these files from any device connected to the internet. The API can be accessed within and Android device by implementing the Yandex.Disk Java SDK. The SDK requires enabling the Apache HttpComponents and xpp3 libraries.
Last year Dropbox announced a preview of the new Dropbox API v2. The new version simplified the Dropbox developer experience. In hopes to move toward a more simplified platform, Dropbox also announced deprecation of its Sync and Datastore APIs.