Foursquare App

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MangoSigns allows you to add Apps to show fresh content on your signs
Mango Signs with the Foursquare app lets you show live check-ins your digital signs as they happen. Welcome the Mayor of your location when they arrive, show real time images as people post them, and thank guests for tips as they happen.

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