The purpose of this software is to detect physiological signs of substance abuse, without prepared urine or blood test. The test is based on the well-known criteria of objective, physiological findings. Police in several countries use the same tests / criteria as a basis for writing out fines/review and as evidence in court. This particular app is used by the Norwegian police department. The purpose of this software is to detect physiological signs of substance abuse, without prepared urine or blood test. The test is based on the well-known criteria of objective, physiological findings. Police in several countries use the same tests / criteria as a basis for writing out fines/review and as evidence in court. This particular app is used by the Norwegian police department. In addition to the actual test, this app includes a database with key information about the most common drug groups.