Forms On Mobile Devices: Modern Solutions — Smashing MagazineMobile forms tend to have significantly more constraints than their desktop cousins: screens are smaller; connections are slower; text entry is trickier; the list goes on. So, limiting the number of forms in your mobile applications and websites is generally a good idea. When you do want input from users on mobile devices, radio buttons, checkboxes, select menus and lists tend to work much better
