You can only find the data folder if the device is rooted. You cannot install the mod on the android port normally.
That is why I recommend
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, as it is far superior. The current v0.86 has tons of bugs. With the android port you
CANNOT copy those critical bug-fixes, incest patch or pc cheat mod. Most important is the bug fixes. With the android port, you will be stuck and will lose your save, unless the dev for the port update it to suit. But the bug fixes are release at different times, so realistically, no one should expect for the port to be updated multiple times in one update.
However, with Joiplay you can easily copy all of these, update the game when the new update come out yourself. Also back up your saves yourself. You basically have all the control on your device.
That is why I keep recommending Joiplay.