Japanese startup company, Beatrobo, is planning to launch their Pico Cassette product, a game cartridge that can be hooked into your smartphone through its headphone jack, according to Engadget.

The so-called Pico Cassette plugs into an iPhone through the headphone jack and sends an inaudible signal that acts as an authentication key, The Verge reports. These cartridges are meant to reinstill that “same sense of ownership” that gamers had with an SNES cartridge, Beatrobo founder and CEO Hiroshi Asaeda told The Verge at last week’s Tokyo Game Show. That is something that they might not have when storing a game in the cloud.

Often requiring specialized software and constant access to the internet, DRM tends to be about as much fun as a TSA checkpoint and only slightly more effective.

The Pico Cassettes will give users access to the servers that contain the game, allowing you to play across multiple devices without losing progress.

So you miss the old days when you used to plug a game cartridge into your video game console, and start playing. One Japanese startup is hoping to bring them back in this age of mobile gaming. You’ll still be interfacing with an app to download your content, then.

Beatrobo has created the Pico Cassette to fuel your nostalgia for retro video games.

Pico Cassette is still in prototype phase and Beatrobo is now talking to content partners to get it off the ground through a crowdfunding effort. A few old school games like Chrono Trigger and Final Fantasy VI have made their way to mobile devices at premium price points (around $10 to $16), but both of those of these games require a connection to play, even though they do not actually need it to function. This key directs the iPhone to the App Store, where it downloads the corresponding game.