https://darth-coin.github.io/wallets/deposit-only-btc-wallets-en.html

Just for deposits and potential utxo consolidation. 

Do you have a guide on depositing to a jade **without** using a companion app Darth?

For what do you need to connect that Jade to a mobile?

A HW is not for spending. You set it up, save the xpub for watch / deposits only and forget it in a safe place.

bitcoin_beginners

Connect Jade plus HW to Electrum wallet android app?

For what do you need to connect that Jade to a mobile?
A HW is not for spending. You set it up, save the xpub for watch / deposits only and forget it in a safe place.
Is really dumb what you want to do.