Using Android phones for remote control presentations

Years back some teachers had Bluetooth remote to control their Power Point or Keynote presentations, which is a great little tool to make presenting to the class without having to look at the computer. So today I wondered if anyone had made something equivalent for the mobile phone?

Thankfully people have and after some searching, comparing, reading of the reviews, and testing I found Bluetooth Remote PC for the Android phone. It’s made up of two parts. The first is the server that is installed onto your computer to receive the signals from your phone.
For the Computer =>
PlayStore =>

There should be similar cross-platform solutions for apple <-> iOS devices, Apple <-> Android, or PC <-> iOS. The above solution meets my needs and I will not be taking this further, however, if you find a cool or useful app or program then pass it on.