As per Google Translate, "you make me smile" in German is "Du bringst mich zum Lächeln".
German is a West Germanic language spoken mainly in Germany, Austria, Switzerland, Liechtenstein, Belgium, Luxembourg and Italy. It is recognised as a minority language in Czech Republic, Denmark, Hungary, Kazakhstan, Ukraine, Namibia, Poland, Romania, Russia, Slovakia, Slovenia, Croatia, Serbia, South Africa, Vatican City and Venezuela. There are also significant German-speaking communities in the USA, Canada, Brazil, Argentina, Mexico, Australia, South Africa, Chile, Paraguay, New Zealand and Peru.
Get tips for German language learners at InterNations.org.
Check out some study tips and practical advice to help make your learning of German more effective at About Education.