Update: Sorry guys I jumped the gun. Turns out you cannot update apps that you installed through BlackBerry World. It errors out.
We forgot to mention in our previous post about 1Mobile that they have a key feature that is HUGE for Android apps on BlackBerry 10. 1Mobile scans all of the Android apps on your BlackBerry 10.2.1+ device and tells you if it has updates available in their system. This includes not only the apps you install through 1Mobile but also apps you have sideloaded or even downloaded from BlackBerry World. Pretty crazy right? They have an impressive catalog of vetted apps and a large portion of them work on BlackBerry 10.
Check out 1Mobile for yourself if you have BlackBerry OS 10.2.1+. I highly recommend it.