Prévias PSDB is an Android app developed by PSDB - Partido da Social Democracia Brasileira to execute the internal voting process for the selection of new candidates for the yearThe app has been designed with the basic purpose of conducting internal elections for the party.

The app has several features that ensure the integrity of the voting process, such as the insertion of voter ID data, facial validation, and upload of registration documents. In the second phase, users can access the information of eligible candidates, vote for their preferred candidate, access proof of voting, and the election results.

Overall, Prévias PSDB is an efficient and user-friendly app that streamlines the internal voting process for PSDB.