Turbotax for CRA has nothing to do with completing any HK tax return. You must source a product that does support HK tax preparation. Your questions
1. In the context of preparing a Canada tax return, yes. Report any foreign income in CAD.
2. As above noted it is not relevant. You are preparing a CRA tax return.
3. When reporting to CRA, include all world income, regardless of whether some or all of it is reported elsewhere. Check the Canada -HK tax treaty or seek professional help.
4. Doesn’t matter.
