I would rather invest into a crypto transfer option. what good would bank transfer do? No one uses bank transfer on websites, they use a payment gateway or in our case we would prefer crypto, web3 integration.
On mobile browser, if you visit AdminCP, it will take you to the web view of mobile app. You will be required to sign in again. And then in the web view of mobile app, the app download banner will appear and ask you to install the mobile app because it thinks you are on a mobile web browser.