52.99 USD CX-01 Mini Android 4.0 TV Box Powered by TeleChips TCC8925 (Cortex A5)
http://www.cnx-software.com/2012/06/14/52-99-usd-cx-01-mini-android-4-0-tv-box-powered-by-telechips-tcc8923-cortex-a5/
これもドングル。
A5って、こういう用途にはいいのかも。
http://www.pandawill.com/cx01-mini-android-tv-box-android-40-cortex-a5-hdmi-usb-4gb-p63620.html
http://www.aliexpress.com/product-gs/581207978-CX-01-Android-Mini-PC-HDMI-Stick-Dongle-Android-4-0-ICS-Telechips-8923-1-0GHz-wholesalers.html