Today, mobile phone are with most people in the world. It is becoming the most common radio receiver also in developing countries as in India and in Africa. You are listening via the built-in FM-receiver which can be found in quite stripped down devices as well as in more advanced smartphones as Samsung S-series and Nokia Lumia - or you are listening via streaming audio on the Internet.
However, there are no mobile phones with built-in DAB-receivers on any market even not in DAB-established countries as Denmark and the UK.