I think this isn't a good use of split screen video technology. They should just straight-up show feature phone users that current OS7 phones are stronger in what they want. Email is much better, texting is much better, PIM is much better, camera features are much better, web browsing is much better, music streaming, etc. NFC payments.
I meet feature phone users and I think they're not too concerned about posting to FaceBook. Are most feature phone users off contract, wanting less expensive phone?