Ghana Sim Card Self Service App Ghana Sim Card Self Service App The SIM Card Registration Self-Service Application (App) on the Google Play Store – an addition to help with the directive from government to re-register all SIM cards with Ghana card has started operating. The tech genius application brings joy to the numerous Ghanaian communication network subscribers who are yet to go through the re-registration process. Indications are that Ghana becomes the first country in the world to be able to develop such an App to help bring an end to the challenges that have been raised confronting the exercise.