mx21+vcpc21

I have vc21pc1 and I am newbie for arm 9 but I have developed some little Project on other vcmx212 owner base Project.

I want displayed mx21 RTC actual time but I dont it because stand alone code is not support

Sprintf code. Now all Project stoped.

Now I want developed some new Project such as, playing mp3 files ,displaying .jpg Picture or playing video from sd mmc card How I can developed this Project or write simple code for mp4 video file may be easy because mx21 is hardware support this for mp3 is need codec . How I can organize this codec

So how I can write code for playing mp3 or mp4 media code whitout any OS

Can you help me

Regards