It's been a long time since I felt self-conscious gaming in public. Ever since Nintendo launched the clamshell GameBoy Advance SP in sleek, shiny silver, portable gaming hardware has felt like something meant for adults. This was only further cemented when Nintendo made its dual-screen DS handheld look like an iPod with the DS Lite.

Today, everyone plays games on the go, whether it's sneaking in Letterpress matches in line at the grocery store or flinging Angry Birds instead of paying attention to a meeting. Even dedicated devices like the PS Vita fail to draw negative attention thanks to design more akin to a cool gadget than a toy. People no longer stare at a twenty-something playing games.

When I pulled out a Nintendo 2DS on a crowded train, people stared.