Tips for "Professor Layton and the Spectre’s Call " on N3DS

I have played on N3DS 'Professor Layton and the Spectre’s Call' and got stuck, but I found some tips to play through the game until the ned.

card game 'crash and burn' for N3DS ?

I have read about an interesting card game app 'crash and burn' by a startup in Wichita(Ks.)and now I think about building a web client of the card game for the N3DS.