Acer Iconia — 6120 Virtual Keyboard Software 11

It looks like you're looking for the for the Acer Iconia Tab 6120 (often referred to as the Acer Iconia Tab W500 or Iconia Tab W6120 — a dual-screen Windows 7 tablet from ~2011).

To be clear: the dual-screen laptop/tablet ran Windows 7 and used a proprietary Ring Keyboard and virtual keyboard software that relied on Acer’s now-defunct drivers and utilities. acer iconia 6120 virtual keyboard software 11