Note that this can NOT be done on app.webadb.com you will need do download the platform tools.
Step 1 plug your phone into your computer and connect with adb
Step 2 run the following cmd. adb backup com.lge.notepad
Step 3 you will now be prompted to enter a code. (You do not need to enter a code but you may.)
Step 4 click on backup/restore my data
Your file will now be backed up in your platform tool folder named "backup.ab"
To restore it you run adb restore backup.ab
and it will again promt you with a code. whatever you did in step 3 thats what you should do here.
(There's a easier method by just Bluetoothing it to another exalt. or email)
this will work for t9 as well [with the t9 package name]