Portable Video Game

I bought Nintendo DS for my family yesterday. That is portable video game machine. The language can be used both in Japanese and in English, so I tried it in English. At the same time I bought two software of game. One of them is training game on your brain, and the other is the roll playing game in the court. Both games seem to be interesting. Unfortunately my daughter is in the test term, but she is playing it in her free time. I'm worried about her the test result.