Koreader, an alternative reader software, works on the AuraHD and has OPDS implemented so you can download directly to your device over the WiFi. Something like Stanza, you browse online "Catalogs" and select what to download. A book/chapter downloaded can be made available to any other readers on the device, as well as be read using KOreader.
If you search through this forum you will find mention of using Python, as well as where people have changed the whole OS.
Luck;
Ken
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