Hi Guys Presenting CYANOGEN MOD THEME & ASUS ROG THEME FOR HYPERION 7 & 7.x.this theme is shared & developed by Xda member mariozawa so if you like this theme first thanks to him.so before proceed to next step have a look some screenshots below :
Download any of you like theme.zip & cwm file and place in the root directory of your phone's sd card and turn your phone off.
Reboot in Recovery mode by pressing vol up+home+Power button together once you enter recovery mode touch screen become function-less so use volume up and down to move up and down, home button for selection and power as back button.
Now in recovery mode select "apply update from sdcard" and navigate to the root directory of sd card and select cwm file "cwm-madteam-galaxy.zip" this will take you to clockworkMod Recovery
As now you are in cwm mode select install update from sd card and Select the update file select "theme.zip" and ok let the process to be completed.