Currently we don't have an app for muni, though it's something we're working towards. There are some nice apps for Muni that have real-time arrivals but lack routing. Transporter & Routsey are probably the two best.
Co-Founder of Embark here (letsembark.com). We have apps for 12 systems, mostly in the US (BART, Caltrain, NYC, LIRR, MNR, NJT, DC Metro, Philly, CTA, Metra, Boston & London Tube). We also integrate with iOS 6 maps, so our apps should show up for you if they're relevant. In my subjective opinion, it's a way better experience than a google maps web view.
EDIT: Looks like my co-founder David beat me to the punch
nnoremap <c-u> viwU
To use it just type the word in lowercase, hover your cursor over any letter in the word, and press Ctrl-U to highlight it.