Pandora working with Ethernet , for others apps like HBO GO please contact developer of wanted application they have to fix for Android BOX.
Other option is use Fake Wifi Connection Xposed module
http://repo.xposed.info/module/de.robv.android.xposed.installer
http://repo.xposed.info/module/com.lemonsqueeze.fakewificonnection
If I have time I will port install Xposed Framework for HiMedia Q5/Q10Pro with update.zip to Egreat A10/A5.
Xposed Framework on HiMedia Q5/Q10 Pro topic
http://www.futeko.com/newforum/index.php?topic=1195.msg9479#msg9479
I have several apps (for example Pandora) that will not work with Ethernet connection, but works with wifi connection. How do I play these apps without having to switch from Ethernet to Wifi every time I play them?