There's a messaging icon on the main screen that, once tapped,
takes you to SMS creation. The screen is a little cramped in
tall mode, but you can switch between a T9 keyboard and
handwriting recognition, depending on your desired form of
input.  You can also tap the on-screen keyboard icon in tall
mode to switch to a widescreen mode with a full QWERTY keyboard.
LG viewty snap gm360: text entryLG viewty snap gm360: text entry
LG viewty snap gm360: widescreen text entry  Handwriting
recognition is quite slow, but then so is using either of the
on-screen keyboards. The screen is a resistive type and it needs
quite a serious press to register anything. There will be no
feathery-fingered tapping at the speed of light on the LG Viewty
Snap GM360.  Aside from SMS, mobile email is supported too.
You'll find the wizard for setting it up is pretty
straightforward to work with.  LG viewty snap gm360: email setup