SIMPLESMENTE is an acronym formed by the initials of 12 mechanisms studied by the behavioral sciences. SIMPLESMENTE is an application to simplify and support the use of behavioral sciences in public policy designs. Based on a guided script, users define a problem of interest in public policies and are encouraged to assume the user's perspective. They are invited to apply a series of references, based on evidence and international practice, to improve their understanding of the situation and develop solution ideas. In addition, it is possible to browse various behavioral elements that are inside the concept of SIMPLESMENTE to obtain more information on how behavioral sciences can be useful to the innovation process in the public sector: https://repositorio.enap.gov.br/handle/1/3973 and https://play.google.com/store/apps/details?id=lk.argon.simplesmenteapp