【Product】 FRAM-modified, Battery-Free Game Software GB GBC Game Boy & Game Boy Color Mahjong Queen 【Description/Condition】 The dead battery has been removed, and new FRAM (or flash memory, etc.) with no degradation has been installed, so you can continuously save data without a battery. * Initial operation confirmed on a genuine GBASP unit. * Data saving and data loading confirmed. * Cartridge and terminals cleaned and maintained. * Prices may fluctuate depending on the product condition, used market price, etc. 【Important Notes】 * As this is a used item, there may be signs of aging, scratches, stains, discoloration, odors, label peeling, etc. on the cartridge and label. Please check the condition in the images or by asking questions. * The operation of the game software is not permanently guaranteed. * Turning off the power during saving, impacts, freezes, or other unexpected actions may result in damage to save data or FRAM. * As this is a used game, there may be poor loading. * Operation on devices other than genuine handheld game consoles has not been confirmed, and operation is not guaranteed on compatible devices. * FRAM degrades with saving and loading, but the degradation is not noticeable with normal play. * The condition of the product is based on a personal assessment as a used item. * Due to the images taken, there may be differences in actual color and condition (stains, scratches). * If there is a problem with the operation after arrival, please contact us before leaving feedback. * Please check the profile if you wish. Please consider and purchase the above understanding and agreement. Search for other items on sale at ↓! #YUYU・SHOP no013