> For the complete documentation index, see [llms.txt](https://help.a1.art/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.a1.art/app-build.md).

# App build

- [How to build a new app?](https://help.a1.art/app-build/how-to-build-a-new-app.md)
- [App building skills](https://help.a1.art/app-build/app-building-skills.md)
- [Portrait Photography App Tips](https://help.a1.art/app-build/app-building-skills/portrait-photography-app-tips.md)
- [3D Character App Tips](https://help.a1.art/app-build/app-building-skills/3d-character-app-tips.md)
- [Style Transfer App Tips](https://help.a1.art/app-build/app-building-skills/style-transfer-app-tips.md)
- [About Fork](https://help.a1.art/app-build/about-fork.md)