If you create an application on a Mit app inventor platform and want to add ads, but you do not find an affordable and inexpensive way
This application offers you to add StartUp ads and unity ads at a nominal price, and you can add ads for children's applications as well as for StartUp, among the ads corresponding to Google's policy
The first step is to send the code to the email address that will open for you after downloading the application on your phone
And tomorrow less than nine hours, you will receive a message to the same email that you sent your message from, containing the extension