I've been wanting to switch off of Gateway on my n3DS for a while now. Also, I no longe rhave access to Cubic Ninja - will this be a problem?

3.0 final? No. There are still a number of features that aren't implemented for new3DS users.I've been wanting to switch off of Gateway on my n3DS for a while now. Also, I no longe rhave access to Cubic Ninja - will this be a problem?