CAST v55 private beta tester packet
CAST is a private local-first strategy room for hard decisions. This beta is for controlled testers only. Do not repost the APK or model link publicly.
Install
- Download the approved CAST v55 APK from the live beta link.
- If Android blocks the install, allow installs from Chrome or My Files.
- If Android says `App not installed`, uninstall old CAST and install again.
- Open CAST and verify the beta account by email.
- Complete personalization and consent setup.
APK SHA-256: 82aabe11f54f54b08a02394cb02d4f2894277447cf02f32409d351ce16c664c6
Model setup
CAST v55 expects the approved Gemma 4 E2B LiteRT-LM file:
gemma-4-E2B-it.litertlm
- Use CAST's Model setup screen and tap Download default while on Wi-Fi.
- Keep the screen awake while the 2.6 GB model downloads.
- If the model is already in Downloads, tap Use Downloads copy.
- Use Advanced import only when Android blocks the Downloads copy path.
- Send one short test problem.
First test script
Use a real but safe situation. CAST works best when you give decision, constraint, stakes, and desired outcome.
Decision:
Constraint:
Stakes:
What I want:Pass criteria: CAST returns the read, the risk, the blind spot, and a specific next move without therapy language or fake certainty.
Feedback
Open Tools > Send Feedback. Tell us what worked, what should improve, and what you were trying to solve. You choose whether to include the current room excerpt and support state.
Open Tools > Export Brief when you want a PDF, text file, or copyable packet for another model.
Known limits
- Hosted login requires the Cast identity Worker, D1 database, and email provider to be configured.
- The default model downloads from the Model setup screen; manual import is a fallback.
- Watch, PC companion, and off-network Stella are not required for this beta.
- CAST is not legal, medical, therapy, or financial advice.