Here I found multilanguage ROM for Mipad already with much more languages (spanish included) and also Google Play. Need to unzip the file and install in fast boot mode (read readme file )
https://mega.co.nz/#!AElwSDTY!qVsF8rAiF89bZNt5X3btLkYE6CoJ2kNybAcuWznkBHM
1.shutdown your Mipad.
2.press...