The proliferation of mobile devices has changed the way people communicate and perform their day-to-day dealings. In particular, the widespread availability of mobile devices has enabled information distribution and sharing to be done almost instantly at your fingertips. Companies and organisations are also taking advantage of this phenomenon by changing the way they accomplish their tasks. From traditionally employing people to do the tasks, they now crowdsource the tasks to the public who can easily access the tasks through their mobile devices. As a result, many mobile crowdsourcing applications have been developed for this purpose. In this paper, the result of a systematic literature review performed in an attempt to understand the current state of mobile crowdsourcing applications that exist today is presented. The aim is to identify the potential categorisation of the applications in a way that enables the researchers to understand the current situation and hence determine the direction of future research in this area. Mobile crowdsourcing applications under review came from both; research and industry. Results obtained from the review showed that mobile crowdsourcing applications from the traffic and navigation category are mostly developed and majority of the mobile crowdsourcing applications only exist in mobile form. Finding from the review also showed that most mobile crowdsourcing applications from the industry are offered in both platforms; iOS and Android.