Product Market Fit Researcher -- 2

We built an app, https://play.google.com/store/apps/details?id=com.travpart.english&hl=en&gl=US;

I need you to find the right audience fit for this app, find our target product market fit in a very complete precise details.
Ex : age, relationship status, location, hobby, interest, job, demographics, etc

Our assumptions:
Target market : single relationship status, age 20-50s, solo traveler.
Competition analysis : https://prnt.sc/1ox9ow5

Your research report will be used for our google ads and/or facebook's ads audience https://prnt.sc/1q71fjr

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Bid is a just a place holder, name your price please.

Milestone 1 : Research on the audience (Format is attached)
Milestone 2 : Deliver our questionnaires about our app it to the potential audience based on milestone 1. You can use our questions listed or make a new one :
https://docs.google.com/forms/d/1ea7lwVz2qDczmG-Lif81hbl102pBQ8olZ82_vAfnZ0s/edit