You can switch between numbers and letters on the Keyboard. It is found under the Numbers section.
hit the numbers button on the bottom left and then hit the button that has #+= on it right above the ABC button. It's on that screen.
yes the iphone is easy to use!
how to use vocalive in iphone first time
Because of how the program is written you need to use punctuation instead of spaces.
you do not ( you can not do that )
yes, you can just use wifi access to use the Internet on your iPhone
yes
will an iphone 5 will use nfc
not yet, but it will be coming out soon for the iPhone
no you cannot use ipod and iphone apps on itunes, but you can buy the apps on itunes and put them on your ipod and iphone
No you both have to have an iphone 4 :)
the best way is to use the find my iphone app
yes