Merge pull request #1546 from 1Jamie/feat/android-exit-game-to-launcher

feat(android): add adaptive icons, dynamic shortcuts, in-process hot-swap, and exit-to-launcher

src/core/Game2.lua

@@ -320,6 +320,7 @@ function Game2:showMainMenu()
     onNewGame = function() self:newGame() end,
     onContinue = function(save) self:continueGame(save) end,
     onOption = function() self:showOptions(function() self:showMainMenu() end) end,
+    onExit = self.onExit,
   })
 end