May I register with you if my place of residence is in Germany?
Unfortunately, you are not allowed to sign up or use their service since residents of Germany are part of people banned. Always read the terms and conditions thoroughly. The details are always there.
Let me quote for you the list of banned countries from their Terms of service
You are not allowed to register on the Website and use our services if you are a resident of Aruba, Australia, Belgium, Bonaire, Curacao, Cyprus, Denmark, Estonia, France, Germany, Hungary, Iran, Iraq, Italy, Netherlands, North Korea, Saba, Slovakia, Spain, St Maarten, Statia, Turkey, Ukraine, United Arab Emirates, U.S.A or the U.S.A dependencies, United Kingdom. We reserve the right to refuse customers from any other countries over and above the aforementioned jurisdictions at our own discretion.