Once you have added the "Personalizer" App to your facebook page you may want to customise the name of the app and the icon
Just follow the steps below to action
1. Click on the arrow next to your page icons - this should then display a "pen" icon on the corner of the page you want to change
2. Click this icon and the following menu should appear
3. Next select "Edit Settings"
4. The following screen should now appear enabling you to change the icon and name of the app
5. When finished click "OK" to modify your page