Nintendo has updated their Japanese site for next week’s Switch event, and with it comes plenty of interesting new details. First, the company warned that the games revealed during the event “may include those with age restriction.” This is an interesting revelation, and shows that Nintendo is hopefully going to go for a more mature market with the Switch.

Along with this, a special concert called “Nintendo Game Music Live” will be held during the Switch’s Japanese hands-on event, which will be open to the public. My Nintendo members will also be able to enter to win a Switch by checking into the event using a QR code linked to their account. This is only open to Japanese members, but there may be similar raffles at events in the US.

Outside of Nintendo’s own updates, second-party developer 1-Up Studio shared the invitation they received for Nintendo’s press conference. What makes this interesting is that this comes off the heels of reignited rumors of one of the the games the studio developed, Mother 3, finally getting a western release on the Switch. In fact, the post itself mentions “new items coming to the world this year.”

Could this be the elusive Mother 3 western release we’ve been pining years for? If so, we’ll find out next Thursday, when the Nintendo Switch presentation takes place at 11PM EST.