Roku Secret Screens...

Title Code
Secret Settings Screen H - H - H - H - H - FF - FF - FF - RW - RW
Secret Settings Screen 2 H - H - H - H - H - U - R - D - L - U
Channel Info/Installed Software Versions H - H - H - U - U - L - R - L - R - L
Developer Settings H - H - H - U - U - R - L - R - L - R
Quality Settings/Bitrate Override Screen H - H - H - H - H - RW - RW - RW - FF - FF
Wifi Secret Screen H - H - H - H - H - U - D - U - D - U
Platform Settings H - H - H - H - H - FF - P - RW - P - FF
Antenna H - H - H - H - H - FW - D - RW - D - FF
Reboot? H - H - H - H - H - U - RW - RW - FW - FW

Letter Key
U Up
L Left
R Right
D Down
B Back
H Home

Letter Key
RW Rewind
FF Fast Forward
P Play/Pause
RE Reset
O OK
A Asterisk (*)