Using smartphones is very popular among the young people and it seems that technology seeks for new useful applications. Young people are using different kinds of application, they play games, they use photos and video editing programs and web services like google maps, twitter, amazon, etc. Each app, makes a task easier and faster, offering a rich interactive experience. Through applications we can have easy access to our data anytime, free upgrade, safety within the web connection. How easy is for a young person to create an online application?How the creation of an application can support the youth creativity and entrepreneurship? From statistics almost half million jobs were created and developed and the application market brought 7billion dollars in 2010. From these statistics we can understand that the “mobile application world” is flirting with new IT experts, who are taking the chance to create an application different and unique. In this frame we would like to organize the youth exchange "YOUTHapp" in November 2016 on Thasos island for 7 days, involving 30 young people (18-30 yo) from five different countries, Estonia,Latvia,Poland,Turkey and Greece. During the exchange the youngsters will cooperate in groups and will create two free online applications for youth. The program aims to the active youth participation, group work through non formal education methods and improvement of technological and digital competences. Through the planned activities we aim in inter cultural learning, creativity and youth entrepreneurship. The results of the project would be -the creation of a free mobile application for youth-the presentation in the local community -the presentation in european communities -the creation of a young people net, updating tuned and regularly the application