We are presuming that this is an actual app developer that just doesn't have a clue, but it may also be another list building exercise to purify their spammer lists and sell them on:
Hi,
Greetings!
Are you looking for a mobile app for your business?
We are here to assist you in developing an App for you and in turn help you in getting more business in turn increasing your revenue.
If interested, please provide more details about your requirement and contact details. We can schedule a call as well to discuss the same.
Awaiting your response.
Best Regards,
Patrick Hal
Business Development Team (India)