Use APKPure App
Get Portuguese dict (Português) old version APK for Android
Portuguese completion dictionary for use with Hacker's Keyboard
Based on the Cyanogen dictionary as released under Apache 2.0 license at
https://gist.github.com/CyanogenMod/android_vendor_cyanogen/tree/gingerbread/overlay/common/packages/inputmethods/LatinIME/java/res