1.Patch the StardewValley.dll£¬see PatchStep.txt
2.Put the folder SMDroid into /sdcard/
3.Put the patched StardewValley.dll into /sdcard/SMDroid/
4.Replace StardewValley.dll and StardewModdingAPI.dll into game's base.apk(copy to user folder  to operate if no root acesss), compress level must be storage.Resign apk if you have no root access.
5.Reinstall the patched base.apk
Enjoy it.