توضیحات:

New version in English 3in1:
https://play.google.com/store/apps/details?id=com.english3in1.app&hl=en&gl=US
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This app is no more supports.
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This app contains more than 1662 email templates in variant subjects (Business, Employment, Billing, Job,...). This app will help improve your English Writing skills a lot. You can learn how to write emails effectively with variant writing patterns. And you can also compose emails with sample content easily.

This is a newer version of my old app: https://play.google.com/store/apps/details?id=com.letters.templates