You can enter your foreign earned income without the Form W2. When going through the Foreign Earned Income and Exclusion data entry, you will be able to indicate that you have no W2, or any other statement (just cash, for example). Please see attached picture.
1. Federal Taxes
2. Wages & Income, Jump to Full list (I'll choose what I
work on for cd/download users)
3. Scroll down to Less Common Income
4. Select Foreign Earned Income and Exclusion
To learn more about foreign income exclusion, please click here.