How do I use one-tap Fuelling with the watch app?

Can I use the watch app if I own an Android phone?

How do I use my credit/debit card with the watch app?

Is the one-Tap Fuelling feature supported for all iOS watch users?

Can I use the watch app for fuelling and the main app for a Kedai Mesra purchase simultaneously?

Is it safe to initiate fuelling at the pump?

Can I cancel the refuelling with the watch app?