I don't see Bitcoin as being any more convenient for most people since they don't have any Bitcoin and would need to buy some and figure out where they want to keep them. (It isn't particularly easy to open an account on CoinDesk, for example.)
Everyone is their own bank. All you need is a Bitcoin wallet and I recommend exactly that app, Bitcoin Wallet: https://play.google.com/store/apps/details?id=de.schildbach....
There are many others as well. BitPay has a user-friendly one called Copay: https://play.google.com/store/apps/details?id=com.bitpay.cop...