Each day, millions of people around the world are staying at hotels enjoying, experiencing and relaxing consensually, symbolize good time. But they can do more. Hotels are capable much more than the guest knows about. There is no sufficient way to display all the vast variety of services. Also, employees are overwhelmed from guests requests during rush hours. Using old-fashioned communication channels like PTT, landline and sometimes notes making the work much messy and complex. Nowadays we have the privilege to use people smartphones to reach them and take their experience to the next level.BOB is intended to solve all the above by providing hotels with the ultimate tasks management system and guests with the best hotels app.