The 2019 MIT App Inventor Summit reqquests participation in three styles: workshops, presentations, and posters. Please see here for submission deadlines and other important dates.
Call for Workshops - Due April 26, 2019
Call for Presentations - Extended to May 10, 2019 (was May 3, 2019)
Call for Posters - Extended to May 31, 2019 (was May 24, 2019)