LINE
Whether you are using an Android or an iPhone, you can use this app. LINE is the fast and light messenger that lets you send free SMS and voice calls from your iPhone and Android devices.

You can get this app for free.
Turbo Downloader (Beta)
With this app, you can download the files 3x times faster than your usual download. Well, if you don’t know- this is the one and only accelerating app in the Android Market. I know you want it.

Remember! You cannot increase the bandwidth with the help of it as the speed is always limited by your service provider. This app increases your download connections to the servers.
Start the usual download by your browser. Once the download is detected, you can choose the Turbo Downloader to download it.
Get Turbo Downloader for free.
Box
This is an app that lets you share files in a simple and secure way. You can easily store your files online and access content that is on your Android device. Not only this but this app will give you 5GB storage space for free.

You can get this app for free. If you want, you can update to Box Business to sync files to your PC for offline access. Do you want to share files in a secured way? Get this app now!