Your phone.
Your game.
Your stream.
Mirror mobile gameplay to your desktop. Capture, record and create with OBS. Connect over supported USB or local network routes.
View source on GitHubFrom mobile play
to desktop production.
CastSprint keeps the workflow legible: connect a supported device, view it on desktop, then compose the result in your recording or streaming setup.
USB mirroring
A direct wired route for fixed creator setups. Availability and behavior depend on the device platform.
Local Wi-Fi
Connect on a trusted local network when the released platform workflow supports it.
Record and stream
Frame the desktop output for OBS, screenshots, tutorials, or recorded content.
Play here.
Produce there.
Keep controls on the phone and production on the desktop. No invented latency promises—just a focused open-source signal path under active development.
Open the OBS guide →No account wall.
No made-up cloud story.
CastSprint is designed around direct device-to-desktop workflows. The website does not include advertising trackers or user accounts.
Know what is ready
before you connect.
Release assets are real, but a published build does not automatically mean every hardware workflow is fully validated.