I don't discuss details (activities, money), and haven't had problems the last 100 encounters (I don't remember problems before either, just to be on the safe side don't say "never had problems")
Google Translate app does translate text from pictures.
A general warning on automated translation. Some work quite well (blued Chinese - English, so far about 50 messages where I could understand the written Chinese and translated to English to test the automatic translation), others are awful. My friend in Mandalay spoke basis English, and used translation about 20 times, and they were all incomprehensible:
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