Karnoroid enhanced the Idein/actcast-app-examples repository by delivering documentation that streamlines cross-architecture Docker image builds. Focusing on build systems and Docker, Karnoroid authored detailed Markdown instructions outlining the prerequisites for enabling QEMU and configuring multiarch/qemu-user-static. This update clarifies the setup process for multi-architecture environments, reducing build failures and improving onboarding efficiency for developers targeting diverse platforms. The work demonstrates a practical approach to developer enablement, emphasizing clear, actionable guidance rather than code changes. While the contribution was limited to documentation, it addressed a common pain point in cross-architecture workflows and reflects a thoughtful understanding of build system requirements.