道具屋公式 -DOGOOYAH- is a free Android application designed for users of the Tool Shop chain in Kanto. This app provides an efficient way to access special services and guarantees available exclusively to members. Users can simply open the app and show it to store clerks to receive their benefits, enhancing the shopping experience with ease and convenience.

In addition to member services, the app keeps users updated with the latest product information, exhibitions, and events at various Tool Shop locations. It also streamlines services such as repairs and orders, allowing for smooth transactions. This official app serves all Tool Shop stores, making it a valuable tool for both in-store and online shopping.