Analogue e-Reader Extender Announced for Analogue Pocket by Developer Brian Hargrove

Analogue Pocket users eager to access the unique functionality of the classic Game Boy Advance e-Reader now have something to look forward to: a dedicated extender is in active development.

Announced by developer Brian Hargrove, this accessory is designed to bridge the compatibility gap between Nintendo’s e-Reader and the modern FPGA-based handheld, the Analogue Pocket. The Game Boy Advance e-Reader, first released by Nintendo in North America and Australia, was a distinctive accessory that allowed players to scan specially coded paper cards, unlocking in-game content, mini-games, and even additional levels.

While its adoption outside Japan was limited, the device retains a cult following among retro enthusiasts and collectors, partly due to its unique interaction with select Nintendo GameCube games, such as Animal Crossing. Brian Hargrove’s Analogue e-Reader extender directly addresses the primary limitation faced by Analogue Pocket owners: the design of the Pocket’s cartridge slot prevents easy use of the original e-Reader hardware.

Hargrove’s solution is a compact, cartridge-shaped device containing a custom PCB.

This extender raises the cartridge slot to a position that can accommodate the e-Reader, enabling seamless integration with the Analogue Pocket — a function previously not possible due to hardware constraints. Originally developed for Hargrove’s personal use to enable compatibility with Retro Dot Cards releases on the Analogue Pocket, the extender gained attention after he showcased it online.

Responding to positive feedback and public demand, Hargrove confirmed his intention to refine and produce the accessory for broader sale. In a statement shared via the social platform BlueSky, Hargrove explained, "Several users have reached out about purchasing the extender.

Before making it widely available, I plan to finalize the design, assess unit production costs, and ensure that only high-quality materials and finishes are used.

I want to avoid using basic test PCBs in a product intended for your valuable Analogue Pocket hardware; features like beveled, finished edges do increase costs, but are necessary for a professional-level accessory." At present, prototypes rely on affordable test PCBs, but Hargrove is committed to enhancing durability and fit before retail release.

No official release date or price has been announced, but updates are expected as development progresses, with the accessory slated to be available through Hargrove’s online store upon completion. This development highlights the Analogue Pocket’s growing ecosystem of third-party enhancements and the enduring appeal of Nintendo’s classic innovations, demonstrating how the retro gaming community continues to bridge past and present.

As the e-Reader extender moves toward a retail launch, Analogue Pocket owners and collectors can anticipate a new way to experience Game Boy Advance legacy hardware on modern platforms.

Game Boy Game Boy Advance e-Reader Analogue Pocket Brian Hargrove Analogue Retro Dot Cards Nintendo