Download the marker screenshot or print it.
Run the application and point the camera at the marker.
When the tank appears:
* Swipe left/right to turn the turret
* Swipe up/down to change cannon elevation
* tap to shoot
Enjoy!
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
