There is no way to predict the upcoming numbers on roulette if the numbers are completly random. With Betmate you can get an overview if the dealer has a signature. If the dealer have a specific signature, the upcoming numbers aren't completly random...What is "dealers signature"?
This is a sample of Betmate in action. On this videos you can see how Betmate works on Live-roulette dealers that are following the "dealers signature" pattern.