Basic theory test singapore free: In this application, you are able to practice your basic theory test on the go! Whenever you have free time, just enter this app to affirm your knowledge and ace your BTT! This application covers all topics which are tested in the driving theory test, therefore rest assure you are well prepared. Whether you are a local citizen, permanent resident or foreigner - the first step to obtaining a driving licence in Singapore is to sit the Basic Theory Test (BTT). b