Currently if you want app support then buy the more expensive My Cloud devices that officially support 3rd party add in modules/apps. Otherwise as nice as it would be, adding such features to the low end My Cloud devices would mean that WD would cannibalize the sales of their more expensive products to provide those features to a lower cost product that is marketed towards a different market segment. Not going to happen any time soon.
Unoffically there are a variety of apps that one can attempt to add to their low end WD My Cloud. Some/most are listed in the following thread.
https://community.wd.com/t/repository-with-software-worked-on-v4-firmware/94532/1
Search through this subforum for threads titled [APP] or [Guide] for several ways to add other 3rd party programs to the low end My Cloud units.
