Formal letter about presenting my mobile app and ask for collaboration Philippines ambassador in riyadh

Hello, I created a babysitting app ( which is considered new in my country) and I would love to write a formal letter to the Philippines  ambassador in riyadh to find a chance to collaborate
Important points :
– mention the history between Saudi Arabia and Philippines
– mentions the competency of Filipinos  mentality and work ethics
– mention the level of respect toward Philippines ambassador and his family
– mention the challenges that ambassadors have toward citizens such as unemployment and limited resources of work opportunities
– mention that we look for increasing the ways of economic collaboration
– creating neglected market in such a global crisis

My request:
– collaborate in acquiring the data of filipinos lived in riyadh
– reliable promotional sponsorship
– ask for a friendly visit

(Extra notes ideas from the writer if possible)