Firebase and AdMob integrated. I have used RealTime Database for uploading places to this app and InterstitialAd for showing ads. You can use this source code to create an app about your native town and help for a lot of tourists of your city. Write your questions and recomendations in the comments.
A regular license allows an item to be used in one project for either personal or commercial use by you or on behalf of a client. The item cannot be offered for resale either on its own or as part of a project. Distribution of source files is not permitted.
An extended license allows an item to be used in unlimited projects for either personal or commercial use. The item cannot be offered for resale "as-is". It is allowed to distribute/sublicense the source files as part of a larger project.