Oh I see. Hardware wallets are dedicated device. Its purposes is to keep the virtual wallet secure by limiting the possibilities of system vulnerabilities thanks to a minimalistic system
Also read up on the true hardware wallets that work with Mycelium. I like my Trezor, for example, but there are at least two more hardware wallet types that work with Mycelium and that can keep even large bitcoin amounts safe while still allowing transactions with them.
My Ledger HW.1 works great with a old Samsung S II. It's the perfect portable hardware wallet.