Android design issue

I'm facing a problem regarding to design issue, to understand problem i uploaded a screen shot

first screen http://img38.imageshack.us/img38/1926/imag0062h.jpg

i checked in emulator, it works well but when i try the same application in HTC Sprint mobile which screen size is 4.3" and resolution is 480*800(HVGA) but there did not display appropriate (check a开发者_如何学Gottachment for screen shot).

Have you read this document? Supporting Multiple Screens