not everything has to be optimised for practicality

Two Kindle, one duct tape

Considering that it only works with their customers plus a few other selected ones, I would presume they reinvented the wheel for the sake of wall-gardening.

How is this an alternative to Mastercard and Visa? This is just a payment app.

Also, this works only for the clients of the bank that operates the app…

This smells like advertisement. Bad one at that…

You bought a lifetime subscription. Are you dead?

Never EVER pay for lifetime subscriptions , unless you have lawyers on retainer.