In order to play a content with the native player on mobile devices you have to:

1. Make sure that the content have been transcoded into a channel which is compatible with mobile devices (eg. Web or WEBHD)
2. Invoke the getContentDetail; within the response you'll find the deliveryInfo parameter, which contains an object for each of the channels in which the content have been transcoded.
3. Inside the object related to one of the channels, copy the url inside the contentUrl, and paste it into the mobile browser or pass it to the native player.