Does Nintendo take random submissions as well, or are contests the only way to get your microgame on the NinSoft store shelves?

I'll be really pissed if it's the latter. I love making games, but I HATE time limits. If the deadline is set too early, I feel rushed. If it isn't, then I procrastinate, thinking "there's still a lot of time left", and eventually enough time has passed that I no longer care and don't even bother entering in the contest. The only way I might get it done is if there is no time limit.