It seems that a lot of developers got this message from Apple. On twitter I found a lot of people complaining about this. You can check this link!
We are uploaded for review a demo version of the application witch contain almost all futures, but only the last packs and boosters, this means only 4 packs and 164 cards. This is for those that want to try the application but don’t want to risk to lose $7.
We are sorry yo inform you that the Apple will extend the review for the last update for unknown reasons. You can read the message below.
Your application, YuGiOh Cards, is requiring unexpected additional time for review. We apologize for the delay, and will update you with further status as soon as we are able.
For what we found on Google, regarding this message, seems that the review time can take days, weeks even months. We hope it will be approved as soon as possible and we will try to do our best to make that happen quickly.
Till the update will be reviewed the application will not be available in iTunes.
For the moment you can see some tutorials for the application here.
Marius
[NEW] - rarities for all cards (watch tutorial to see were you find them) - 11 new promotional packs including Gold Series 2 - Starter Deck 2009 - booster pack: Raging Battle - rulings for Raging Battle - video tutorials on YouTube (watch inside the application, only with internet connection) - see more info about a card on YuGiOh Wikia
[CHANGED] - ready for iPhone OS 3.0
[FIXED] - fixed account details (edit/logout) - fixed some images (now all cards should have images) - some cards id were wrong - better memory management - some others small bugs
Build number 5465
Because there was a lot of requests that required to add a search option for type and attribute of a card, we added this in version 1.2.3. We upload the new version again on iTunes. So in 3-4 days should appear on iTunes.
