Again, your design is fine, it's the colors that make it rough. Maybe you can make up multiple screens with the design "in function"
For example: One screen showing content from the CD like your current concept, but another one with the content from a USB device or the HDD. Also play around with the design for in-movie controls, give us an idea of what it is exactly you'd like to see when using the program.
Try different fonts and colors that are easy to read. But remember that this program will most likely take up space in a memory card, so you also have to think about space limits.
As my professor back in college said about art... KISS = Keep It Simple, Stupid.
And you don't have to be quiet just because your English isn't perfect. Communication is what forums are for.