Licenses

1. Icons made by Feathericons are licensed by MIT License
2. Icons made by Eucalyp are licensed by Creative Commons BY 3.0
3. Riichi-mahjong-tiles made by FluffyStuff are licensed under the CC0 1.0 Universal License
4. Background music Highland_Mist made by Wildfire Games is licensed under the Creative Commons Attribution-Share Alike 3.0.
5. Sound Dizi is licensed by Creative Commons 0 Licence
6. Sound Suona is licensed by Creative Commons 0 Licence