BS Player is a useful software for playing video, very popular on Windows. Mobile version has made its appearance in the Play Store at the end of 2011, and will handle many more codecs than stock player, the default Android player. In paid version there are no ads, and there is also experimental support for Chromecast, a media streaming device that can be connected to HDMI port on the TV.

Clean Master Phone Boost allows you to clean your device from unnecessary files, optimize memory in order to speed it up and cool it, and to perform a safety and privacy check of your data. The only problem with this app is that it tends to generate (scareware) alarmism in users, signaling problems that are not always real or critical, in order to encourage the installation of other apps from the same manufacturer.

Dropbox is a free service that allows you to take with you your photos, documents and videos. After you install Dropbox on your PC, any file saved in your Dropbox account will automatically be available on all your computers, Android devices, and even Dropbox website. With Dropbox app, you can access any important document from anywhere.

ES File Explorer is a free files and applications a manager, but also a business manager, cloud data storage client (for Dropbox, Google Drive, Amazon S3, etc …) and FTP and Samba client that allows to explore images, music, videos, documents and other filetypes in your phone and PC. It also allows Android users to manage and share device resources, accessing it from anywhere.