Hi!
I found this video:
This is great, but I want to use this in my mobil game, thats why I need a leader board what I can build with INTEL XDK and works. Any suggestions?
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You need a database or some kind of server application behind your C2 app that runs your database. There are outfits that offer databases and api support like Photon too, if you don't want to setup the server yourself.
https://www.photonengine.com/