DKI Jakarta had the vision to create a modern and innovative city, capable of managing city resources effectively, efficiently and sustainably by optimizing ICT (Information and Communication Technology) in participatory governance in order to achieve a prosperous and cultured society. That called a smart city. DKI Jakarta provincial government has using ICT to provide information and public services. E-government performance can be assessed by some standards, which one is the e-government rankings Indonesia (PeGI). PeGI consists of five dimensions, there are two dimensions relating to ICTs, infrastructures and applications. The development of the wireless internet technology impacted on increase of a mobile device / smartphone user. The internet users in Jakarta in the majority used the telephone / mobile smartphone to access the Internet and government's mobile applications, such as Waze which widely use to monitoring traffic and help to searching alternatif way on traffic congestion. Utilization of information technology increases the provincial government's performance, as proved by the survey results and previous studies. For three consecutive years, 2012 until 2015, the performance of DKI Jakarta has increased, from the third ranking to the first ranking, and achieved a good performance appraisal. This achievement is inseparable from good IT governance.