Looking for WinForms Automation Framework (.NET 2.0 Compatible)

I am looking for an automation framework that can test a legacy WinForms app running under .NET 2.0 via the GUI. Our software runs on Windows 7 Embedded and communicates with a bunch of different hardware, which have not been mocked in our development environment. Because of this, any testing software we create must also run on Windows 7 Embedded with our software. We are stuck using .NET 2.0 on our Windows 7 Embedded device because of scheduling and hardware limitations (i.e. there is very limited flash drive space on our device, so installing higher versions of .NET would take up valuable space that we need). Is there an automation framework for testing WinForms at the GUI level which is also .NET 2.0 compatible? Thanks!