フリマ検索 byNSDev is an Android application developed by Nihon System Developer Corp. This free app falls under the Lifestyle category and is a must-have for all shopaholics out there. It allows you to search for items on various flea market and auction sites such as Merukari, Rakuma, MobaoKu, Yahoo Auctions, Rakuten, Amazon, Yodobashi Camera, and PayPay Flea Market, all at once by entering keywords.

The app is straightforward to use. Input your search criteria, including keywords, price range, and sorting order, and click the [Search] button. The app will open the corresponding flea market or auction site. You can choose which sites to open by turning the ON/OFF setting on the app. The order in which the sites open can also be specified. Additionally, the app allows you to save and edit your search conditions for future use.