Windows Mobile has not had the ability to handle OOXML-based documents until now.
This might make 2 applications which are built from the same codebase and properly support a derivate of OOXML. Both applications come from the same company, to whom OOXML is "a simple matter of (its) commercial interests", according to its own manager.
One of our readers is working to help GNU through the maze of software patents and maze of patent lawsuits, which aren't the same thing but are somewhat overlapping issues
Microsoft-connected patent trolls in Europe [...] Now, in his new job, Wild can use his 'expertise' to help guide blackmail/extortion to better harm Europe's industry