Just keep in mind that you need to select 'Mycelium' or manually put in m44 for the der path.
You didn't check, did you? Actually, 'Mycelium' doesn't work. It give the xprv of receiving (external) adresses, and Electrum expects more "general" xprv, to generate both receiving and change (internal) addresses. You need to use "BIP32" and give the m/44'/0'/0' (instead of m/44'/0'/0'/0 used in Mycelium tab) derivation path. It works with first Mycelium HD Account. I didn't check, but next should be like m/44'/0'/1', m/44'/0'/2' and so on.
Actually, I did check. I know all about it. In fact, I have a thread on the issues with regards to the diff paths noted in that thread regarding the difference between the android and iOS versions along with the xpub keys.
bip32 site matches the path and keys shown on the iOS version, but not the android version.