Jakontrust is an Android application developed by LPJK - Lembaga Pengembangan Jasa Konstruksi. It is a free-to-use app that helps validate certificates issued by the Ministry of Public Works and Housing (PUPR) in Indonesia.

With Jakontrust, users can easily validate their SBU, SKA, and SKT certificates, making it a convenient tool for contractors, engineers, and other professionals in the construction industry. The app is user-friendly and straightforward, with a simple interface that allows users to scan the QR code on their certificates to validate them.

Overall, Jakontrust is a useful application for anyone who needs to validate their certificates issued by PUPR. Its ease of use and user-friendly interface make it a reliable tool for professionals in the construction industry in Indonesia.