Formation is an iPhone application developed by Yuma Ikeda that allows users to create a continuous standing position configuration of dancers and performers on the stage. With this application, users can easily create and share their configurations with others as images or PDFs.

The main features of Formation include the ability to create a project where users can add or remove members. This allows users to customize their configuration based on the number of performers they have. Additionally, users can add and remove slides, which represent different positions or formations within the performance.

One of the key functionalities of Formation is the ability to show a preview of each slide. This allows users to visualize how the positions will look on stage before finalizing their configuration. Furthermore, users can switch the background image between a vertical line or a grid, providing flexibility in visualizing the positions.

Formation also offers a clone project feature, which allows users to duplicate existing projects. This can be useful when creating similar configurations with slight variations. Additionally, the application provides a share function, allowing users to easily share their configurations with others as images or PDF files.

With its intuitive interface and useful features, Formation is a valuable tool for choreographers, stage directors, and performers who need to create and share standing position configurations. Whether it's for dance performances, theater productions, or any other stage-based performances, Formation simplifies the process and enhances collaboration.