The use of the "mobile internet" has grown rapidly, but almost all web sites run poorly, if they run at all, on iPhones, Smartphones, PDA and other handhelds.
Options:
mobile design for your existing website, 3 pages including contact form
mobile design for your existing website, 8 pages including contact form and clickable phone number
mobile design for your existing website, 20 pages including contact form, clickable phone number and optional Paypal or Google order buttons
(The above web site URLs are meant for the use on your cell phone, iPhone or handheld, but of course, you can check it with your website browser right now :-)
On your cell phone, with much smaller display, it will look like the animation on the left.