Implementing Game Leaderboards
https://docs.coronalabs.com/tutorial/games/gameLeaderboards/index.html
Solar2D Documentation — Tutorials | Gaming/Physics
Implementing leaderboards is an activity which many developers want to understand so that they can include them among their game features. Corona supports various services for managing leaderboards including Google Play Games Services and Apple Game Center
docs.coronalabs.com
https://community.playfab.com/questions/7023/implement-leaderboards-in-corona-sdk.html
Implement LeaderBoards in Corona SDK - Playfab Community
community.playfab.com
https://github.com/PlayFab/LuaSdk/tree/master/Corona#client-plugin-instructions
PlayFab/LuaSdk
PlayFab Lua SDK for LuaDist command-line, Defold, and more - PlayFab/LuaSdk
github.com