Since Facebook made Messenger a standalone app, they've been pulling out all the stops to make the app as compelling as possible; from video calls to friend-to-friend payments. Well, clearly there is even more to come. Facebook is currently in talks with several developers to make games for the app.
Facebook’s Messenger, which already has 600-plus million users (it doesn't hurt that it is basically mandatory for users who want to send messages on Facebook), has made serious advances over the last couple of months to add exciting new features all in an effort to fuel user growth and engagement, and from the looks of things, it is working: I mean, Messenger had 1 million video calls in just the second day of the feature launch. That's pretty impressive.
Anyway, games on the messenger app would definitely be a great way to keep users on the messenger app doing other things besides, well, messaging. Facebook clearly wants Messenger app to feel like a totally separate, and equally compelling experience, and this seems like a step in the right direction.