I wish México would get some love. Anyway here's our latest version.
Customization number: 1281 - 5458 R7A
Yeah it is a Samsung thing as I have an unrooted Note 4 and I do not see the prefs file anywhere.
I think I just found a solution for this. What worked for me was erasing app data and taking out my micro sd card, then opening spotify app and logg...
There's a thread for this, please use it.
I guess google took down the app.
Here's the last version I had:
It works on lt26i using 2.3.7 6.0.A.3.62 with locked bootloader.
I used ver 1.33 a time ago :)
It installs CWM's Superuser app.