SHAREit

SHAREit is a powerful tool that lets users send all kind of files to other devices, including PCs or Macs. It’s not limited in any way, which means that the application can be used in many ways. People can just send regular files from one device to another, or they can send contacts and apps when then are switching phones.
 
One of the most interesting features is the app’s ability to share files from the mobile device to a PC, with the help of the app which is installed there as well. It’s even possible to control the phone via the PPT protocol, making it much easier to have a proper presentation.
 
There are no limitation or issues for transferring files between completely different operating systems, making this app a must have.