There are several ways to transfer iDoceo's data into a new iPad.
With an iTunes backup
The fastest method requires you to connect your iPad to a Mac/PC with iTunes installed. iTunes backups include all the apps, data, camera roll photos and videos
If you are not sure about what you're doing in iTunes, stop.
With an iDoceo backup
You will find the details about iDoceo's backups explained here
In short, the steps are as follows:
In the original iPad, main screen > cloud icon top bar > Full backup
In the new iPad, main screen > Settings (gear icon top bar) > Dropbox > Restore backup
You must install iDoceo from the App store first.
If you are not sure about what you're doing, stop.