Use APKPure App
Get Spanish (español) / AppsTech old version APK for Android
Spanish (español) Language Pack for AppsTech Keyboards
For using the Spanish (español) Language Pack, you need to Install an AppsTech's keyboard first, and then select the Spanish language from the keyboard settings.
To enter the keyboard settings, long press on the Enter button and then press on 'Languages'.
Please note that you can long press on letters to get more alphabet characters!