Download the .apk file. If the developer provided an MD5 or SHA256 checksum, verify it using a tool like to ensure the file hasn’t been tampered with.
Newer updates sometimes change game mechanics or difficulty levels that fans liked in the original.
Once the Arduino is programmed and the Bluetooth module is paired (default PIN 1234 or 0000), open Robot Car 1.0 APK on your phone, select the paired device, and begin driving.