Why I can not download nRF UART App for Android 4.3??

[Paul]

Hi guy:

I have buy nrf51822 dk .Why I can not download nRF UART App for Android 4.3 at below page www.nordicsemi.com/.../nRF-UART-2.0-for-Android-4.3

Thx

[Paul]

I check it again, I found that I'm able to download without any action.-_-!