This is from navicore personal manual:

"...According to the licensing terms of Navicore Personal, it is allowed to use the program on only one Internet Tablet at a time. To prevent unauthorised copying, the product is linked to your Internet Tablet device during license activation. You can transfer the license to a new Internet Tablet by following the instructions below:
The Navicore Personal licence can be transferred to a new Internet Tablet, but note that you first need to deactivate the license from the Internet Tablet that is currently using the same license
Go to Navicore: About product > Deactivate license. The license key is deactivated using a network connection and released to be activated with a new Internet Tablet.
Transfer your Navicore Personal memory card to the new Internet Tablet, install Navicore Personal and start the application.. Navicore Personal automatically prompts you to re-activate the product with your license key.
Note that the number of times the license may be transferred to another Internet Tablet within a month is limited
The End User License Agreement does not allow the use of the product with two or more Internet Tablets simultaneously. If such use is desired, all devices involved must have a separate licence..."