1. Choose the browser tab at the bottom
2. Click on “See All”
3. Choose Pancakeswap
4. In the upper right hand corner, tap on the icon and make sure you are using the smart chain network
5. Still on the pancakeswap page, you can swap eth to whatever you want, such as BNB.
Big disclaimer: I don’t know what I’m doing, so don’t rely on me for anything crypto-related.