Especially at touristic places you can easily find someone to talk in English.
Yes, we tip in Turkey and generally it is not included in the check. You can tip 10 to 15%.
Visa and MasterCard credit cards are easily accepted but it is helpful to carry a little amount of cash.
No, unfortunately it is not.
We shake hands and kiss both cheeks.
No, it is not. But we suggest to ask for permission.
You can be careful with the hand gestures. Their meanings can vary from culture to culture.