1. Replace slot_machine_screen.tex.dds , slot_machine_screen_emission.tex.dds , slot_machine_symbols.tex.dds in sharedassets3 using Unity Assets Explorer. Found here: https://www.dropbox.com/s/2qorsfd50ixvn6o/UnityAssetsExplorer.exe
2. Run the game.
2. Run the game.
However, since I am Japanese and not proficient in English, the choice of the replaced word may not be appropriate (this reply is machine translation as well).