☀☀ The 100 Best Android Apps of 2012 | PCMag.com: X-plore - Free. X-Plore is a great way to look at an Android's file system, and its many added features are solid bonuses. Use it to perform file operations like copy, rename, or create new folders. With X-plore, users can access Picasa albums, browse SQlite database files, zip and unzip files, and explore shared folders on Windows servers and PCs.