well evleaks did it again almost all his leaks are true and hope this one will come to be. on-screen buttons will come to Windows Phone 8.1

(image he tweeted)
but here's the catch Microsoft previously taught about on-screen buttons before during WP7 days
here's the pic (running on lumia 800)

but sadly the final product has been touch-sensitive buttons which are nice ! :)
but what are your thoughts on this ? will it be welcoming feature to windows phone or not ?
P.S hope its not just like back start and search button hope it changes varying in you application your in