Download and install LDPlayer on your computer
Locate the Play Store in LDPlayer's system apps, launch it, and sign in to your Google account
Enter "大気関係第1種公害防止管理者 問題集 一問一答" into the search bar and search for it
Choose and install 大気関係第1種公害防止管理者 問題集 一問一答 from the search results
Once the download and installation are complete, return to the LDPlayer home screen
Click on the game icon on the LDPlayer home screen to start enjoying the exciting game