The version for Android mobile devices offer the following functions:
Viewing, searching, sorting objects
The objects can be located on the server or on the mobile device.
Making objects available off-line
Those objects are downloaded to the mobile device.
Those objects are created on the mobile device and then uploaded to the server.
You can move, rename or delete objects. Those changes are synchronized with the server.
Editing Office documents in the browser
Office documents on the server can be edited in the mobile device's browser.
Exporting files to the mobile device
Files on the server can be exported to the mobile device.
Those objects are respectively shared on the server.
Parent topic: Using the Drive Apps