OH3 issue install Voice Addon

Hello Community,

I am trying to use “Android widget” for my Domotic installation, it is working well with light & Blind.

Now I am looking to use “Default voice widget” but nothing happened.
when i am running the installation of add-ons/Voice/… there are 6 possiblities but none is installed. the installation failed without any message.

Do you know if I miss something / previous add-ons before this install or other ?
Do I really need this add-ons to run the “Android Voice widget” ?

many thanks for your help