Microsoft Apps is a free platform that includes a number of the most used apps in the Windows collection. It also offers you a way to keep track of all the apps from Microsoft you have installed on your Android device. The included apps in this repository include Outlook, Office Lens, Xbox, Skype, Wunderlist, Swiftkey Keyboard, and several others.

If you see an app in the list that you don't have on your device, and you decide you want it, you can click on it and you'll be directed to the Google Play page that includes the actual download link. In that sense, this app is a bit useless since it is basically just a slimmed down and highly specialized version of the Google Play store. However, this app is useful for finding out when you need to upgrade the individual apps you have on your device.

There are several other improvements that this app could use, but it will most likely stay as it is since the Google Play store is already so proficient at what this app tries to do. However, if you need a good app activity and upgrade monitor for your Microsoft apps, this is the best there is.