Yammer App

All Apps
MangoSigns allows you to add Apps to show fresh content on your signs
Mango Signs with the Yammer app allows you to show your real time Yammer streams on your digital signs. Customize your fonts, as well as display images and Emoji in the style of your choice.

Upvote App
This App is still in the works, Upvote Yammer to bring it to your digital signs sooner.