To create a Huawei app, you can follow these steps:

1. Set up a Huawei Developer account: To publish an app on the Huawei AppGallery, you’ll need to create a Huawei Developer account. Go to the Huawei Developer website (https://developer.huawei.com/) and follow the prompts to create an account.
2. Choose a development platform: There are several development platforms you can use to create a Huawei app, including Android Studio, Unity, and others. Choose a platform that is suitable for your app and that you are comfortable working with.
3. Design and build your app: Use your chosen development platform to design and build your app. Be sure to test your app thoroughly to ensure that it is of high quality and free of bugs.
4. Submit your app for review: Once you have finished building your app, you’ll need to submit it for review by Huawei. Follow the prompts on the Huawei Developer website to submit your app for review.
5. Publish your app: If your app is approved by Huawei, it will be published on the Huawei AppGallery. You can then promote your app and monitor its performance using the tools provided by Huawei.

Overall, creating a Huawei app requires a combination of technical skills and marketing savvy. By following these steps and paying attention to the specific requirements of the Huawei AppGallery, you can successfully create and publish a Huawei app.