Doko? is a free Maps & Navigation app that allows you to access garbage bins, smoking areas, and restrooms in Japan. Doko? is perfect for tourists looking to have a convenient traveling experience in Japan. Key Features: FIND Doko? will find the closest garbage bin, smoking area or restroom with just a few taps. GO Upon clicking a desired location, Doko? will show you the quickest route alongside an estimated time of arrival. CONTRIBUTE Help other tourists by adding a new garbage bin, smoking area, or restroom into the app's database. Have a great and hassle-free traveling experience with Doko?