Here’s a look at FireFox for MeeGo-Harmattan, demoed on the Nokia N950 (another app to add, future N9 users). This is demoed by MaemoSverige

• Both landscape and portrait mode.
• Supports multi-touch
• No flash by default (not sure if you can add it as an add-on)
• Blog mentions future plans for GPU acceleration.

Source My Nokia Blog