I'd have had trouble doing this with a cellphone:

https://www.youtube.com/watch?v=m_c9cxoM8tg

Part of the usefulness of the Pi is *because* it lacks those things; you have the option of adding what suits your application.

You'll notice that this is from David Dahl (at Mozilla)... with a Googler as co-author. Maybe Firefox will get there first.