Kodi 17.0 krypton beta1 etc

Recently tried to update Kodi using kodi-17.0-Krypton_beta1-armeabi-v7a.apk - but Minix/Android responded with "parsing error" Tried to update Kodi using the Android Update ap. After downloading the beta1 it too responded with the same error. Also downloaded the Minix-xbmc 16.3 package and it would not install. It gave the same error.

Any ideas on what may be the cause? My stock standard Minix Android is set to allow installation from outside sources.

NB Currently using Kodi 16.1 Jarvis on...

Kodi 17.0 krypton beta1 etc