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There are many. All the most popular boards games have an app version, and most of them supports online multiplayer gaming
 
If you're open to using websites...
BoardGameArena.com has a lot of games available
Ditto with Tabletopia
Breit Spiel Welt -dot- com

IIRC, BSW may have an app which facilitates gaming (e.g. better performance, interface)
 
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