for some reason, its working now.
I dont know what happened. Anyway thank you for the fast replies.
Enjoying the game now.

Sîr, I did everything you posted above.
I am using a Motorola xoom. I reinstalled the application after a fresh reboot.I only have 1 tegra 2 device and I used my xoom to buy your game.
I still cannot start the 1st mission.
When I checked the android market there were comments of the same issue ...

Hi. i just bought your app from the android market and was able to run the game without problems .
I finished the tutorial mode and wanted to do the English campaign, however when I am on the first mission, the text box (showing the mission name) wont disappear and no matter how many times i click ...