http://www.innotek.de/products_e.html
"The InnoTek Runtime for OS/2 is a software runtime environment used by several InnoTek Products which are based on Win32 applications. The use of a common runtime as opposed to shipping custom runtimes with each products reduces the memory footprint and improves application interoperability.
InnoTek products based on the InnoTek Runtime for OS/2 will indicate this requirements. In general, the latest version available of the InnoTek Runtime for OS/2 should be used. "