First presentation session of top 500 teams in EATL-Prothom Alo App Contest 2016-season 4 was held on Saturday, 26th November 2016 at University of Asia Pacific campus. Contestants from top 500 teams came from all over the country. A team of university faculties, ICT entrepreneurs, and senior app developers were in the jury board to evaluate the top 500 team presentations. Those 500 teams were divided into a number of categories. A board of three jury members from academia, industry and app developers evaluated the presentation of each category. The marking criteria of the first presentation session include app idea and detail features, previous experience of app development, wireframe and UX of the app and sustainability. Top scoring teams on the basis of 100 marks has been selected for next steps in the competition. These top teams will attend the division-level regional grooming sessions. Teams will be given technical support for developing their app. Even these teams will get knowledge based help from EATL Team.