Auto Date and Time Stamp on Photo is android application for mobile photography. You can set current date and time on your photo with this application. So please check out application and give your feedback.

Google Play Store Id: com.ebizzinfotech.datetimestampphoto

Do you really think that microstock photographers need time stamp on their photos?

Isnt't it already in EXIF?
Watermark and resize - another thing, because Instagram now wants images bigger.