You can, but I like using an app, because for example I can use pip with grayjay (watch video while doing something else), I’m not sure if that is possible with firefox + ublock

• Web: Firefox + uBlock Origin
• Mobile (Android only): Grayjay
• TV (Android): Smarttube
• iPhone/iPad: Brave Browser

Enjoy

Will it store my ROMs

funnily enough I was able to watch olympic replays on one of my city’s (Hong Kong) official broadcast YouTube channels, specifically HOY TV, but all the commentary is in cantonese. But it’s also region locked (I just tested it by trying a US VPN) so you need a VPN to a Hong Kong server.