# Phone & app screens: agent skills for phone screen, chat and app demo videos

> **For AI agents:** find the right skill in one call — `curl -s "https://varg.ai/how-to/api/search?q=<what the person wants>"` returns the matching how-to page and the best skills with install commands, as markdown (Russian works too). Full index: https://varg.ai/how-to/llms.txt. Every page has a markdown twin: add `.md` to its path. Before generating anything, show the person the options on the how-to page.

iMessage and chat stories, Notes-app ads, app demos, App Store screenshots and device mockups. 7 skills for Claude Code, Codex and Grok, by type: workflows take a brief to a finished video, effects and styles change how it looks, prompts and guides teach the agent the craft, models run the generation.

## How-to tutorials

- [How to make a text message story video with AI](https://varg.ai/how-to/make-a-text-message-story-video.md): A viral iMessage-style chat drama: bubbles appear with typing, sounds and a cliffhanger.
- [How to make a Notes app video ad with AI](https://varg.ai/how-to/make-a-notes-app-video-ad.md): A note types itself in a phone notes app, reads like a confession, and turns into an ad.

## Skills (7)

### Effects (4)

- [iPhone Duo Fold](https://varg.ai/how-to/skills/iphone-duo-fold.md) — varg: Your screens on Apple's foldable iPhone Duo, unfolding in 3D with its progressive blur. Local, free.
- [Duo Foldable Phone](https://varg.ai/how-to/skills/hyperframes-duo.md) — HeyGen, beta: Two HTML screens composited into a photo of hands holding an open foldable phone, for side-by-side meme videos.
- [X Posting License](https://varg.ai/how-to/skills/hyperframes-x-posting-license.md) — HeyGen, beta: A 10-second animated 'posting license' card for an X profile, filled with real profile data into a locked template.
- [fal Fan Cam](https://varg.ai/how-to/skills/fal-fan-cam.md) — fal: Put someone into a live sports broadcast: a realistic fan-cam cutaway with scoreboard and channel overlays.

### Guides (1)

- [App Store Screenshots](https://varg.ai/how-to/skills/inference-sh-app-store-screenshots.md) — inference.sh: Make App Store and Google Play screenshots to exact specs: sizes, gallery order, mockups and previews.

### Workflows (2)

- [iMessage Video](https://varg.ai/how-to/skills/varg-imessage-video.md) — varg, beta: Pixel-perfect iMessage conversation videos from a JSON script: iOS 26 chrome, typing, tapbacks, group chats.
- [Gooseworks Video (Apple Notes Ads)](https://varg.ai/how-to/skills/gooseworks-apple-notes-ads.md) — Gooseworks: Video ads in chat from a reference ad or a ready style, including the viral HTML-only Apple Notes typing ad.