Hello,
There are some steps which you need do when request a app version.
For first time you need setup app config at: https://nobita.me/mobile-apps/config

So

After you have setup app config correctly please press a button [Request a app files] at this page: https://nobita.me/mobile-apps/
All done and please allow me build app for you. When it's done you will receive a notifications here and you free to download it.
There are some steps which you need do when request a app version.
For first time you need setup app config at: https://nobita.me/mobile-apps/config
The API key are difference with XenForo. That a bridge between our add-ons and XenForo api. Please see the attachment below.What is api key?

So
test-api-key
is value which you MUST put in app config.A free string which secure data to post to api. The encrypt key should not be change once set cause you will break all current existing app users. See the attachment below.What is encrypt key?

After you have setup app config correctly please press a button [Request a app files] at this page: https://nobita.me/mobile-apps/
All done and please allow me build app for you. When it's done you will receive a notifications here and you free to download it.