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 "松山市マイ・タイムライン防災アプリ" into the search bar and search for it
Choose and install 松山市マイ・タイムライン防災アプリ 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