These are the most common questions we received via mail.
All translations mentioned on the front page are included in the setup. Use the Language option in the Settings menu to select them. If your language is not yet included, you could use Notepad (or any plain text editor) to translate it yourself. Sent me the translation and I will add to the next version. Special dialects will not be added.
Create your own template or change an existing one using the Format Editor.
No. Use any graphic application (e.g. Photoshop, Paintshop Pro, Gimp) to create your covers. Save them to disk and print them with UnderCover10.
No. I have no plans in porting UnderCover10 to those platforms in the near future. You can run UnderCover10 on Linux using Wine. I can't help you with that.