Write an windows app for USB Drive

I want to write an application in .Net that has to be shipped with USB drive by the manufacturer. Rightnow application targetted to run only in windows. But will have to support other opeating system in future. Is that app needs to be shipped as portable applicatio开发者_运维技巧n? What is required in order to run a .net app as portable app in USB drive? If .Net is not a good option, what are other platform that helps to implement this?

Do deploy .net applications without .net you have to use tools like Xenocode: http://www.xenocode.com

To run it on others platforms, have a look at the Mono Project: http://www.mono-project.com