Ujian Simulator SIM A - Tes Ko is an Android game developed by Play Castle. The game is a useful tool for those who want to practice and pass the SIM A driving license simulator test. In Indonesia, many SATPAS use a simulator system for the SIM A test, and 90% of participants fail this test. The APK is designed to help users pass the test with ease by providing practice sessions.

The game consists of a simulation of the official SIM A test with various types of questions, including traffic signs, regulations, and driving ethics. The game uses a scoring system to measure the user's progress, and users can track their progress through the app. The game is free and can be easily downloaded from the Google Play Store.