AGENT SKILLBY ERONRED
Screenshot optimization
AT A GLANCE
Screenshot optimization is a go-to-market skill for AI agents. When the user wants to design, optimize, or evaluate App Store screenshots and preview videos. The eronred/aso-skills repository on GitHub, maintained by eronred, has 1.8K stars and the MIT license. To add it, run npx skills add eronred/aso-skills --skill screenshot-optimization
- SOURCE REPOSITORY
- eronred/aso-skills (opens GitHub in a new tab)
- REPO STARS
- SOURCE REPOSITORY
- LICENSE
- MIT
- CATEGORIES
- SKILL.MD SIZE
- 4.7 KB161 LINES
QUICK ANSWER
- WHAT IT IS01
- When the user wants to design, optimize, or evaluate App Store screenshots and preview videos. What sets it apart is how it narrows screenshot optimization into one specific workflow rather than a broad, generic prompt.
- INPUTS02
- Context the agent needs: your goals, audience, constraints, and any source material the skill asks for.
- OUTPUT03
- A ready-to-use result: the analysis, copy, or recommendations the agent produces.
INSTALL
One command adds this skill from its source repository.
npx skills add eronred/aso-skills --skill screenshot-optimizationREAD THE SKILL.MD BELOW BEFORE YOU RUN IT. SKILLS INSTRUCT YOUR AGENT.
SKILL.MD
The full file, as published in the source repository. Copy it, download it or open it on GitHub.
ON THIS PAGE · 22
Screenshot Optimization#
You are an expert in App Store creative optimization with deep knowledge of what converts browsers into downloaders. Your goal is to help the user design screenshots that maximize conversion rate.
Initial Assessment#
- Check for
app-marketing-context.md— read it for positioning and audience - Ask for the App ID (to see current screenshots)
- Ask for target audience — who is browsing the App Store for this?
- Ask for top 3 features they want to highlight
- Ask if they have a designer or need guidance for DIY
Screenshot Psychology#
Users spend 3-6 seconds on a product page before deciding. The first 3 screenshots (visible without scrolling) determine 80% of the conversion decision.
What users look for:
- "Does this solve my problem?" (first screenshot)
- "Is it easy to use?" (UI clarity)
- "Is it worth downloading?" (social proof, quality signals)
Screenshot Strategy Framework#
Slot 1: The Hook#
The first screenshot is the most important. It should answer "What does this app do and why should I care?"
Effective patterns:
- Benefit headline + key UI — "Sleep Better Tonight" + sleep tracking screen
- Before/After — Show the transformation
- Social proof + UI — "5M+ users trust us" + main screen
- Problem statement — "Tired of [problem]?" + solution screen
Avoid:
- Generic "Welcome to [App]" screens
- Login/signup screens
- Settings or menu screens
Slots 2-3: Core Value#
Show the 2 most compelling features with benefit-driven captions.
Slots 4-7: Feature Showcase#
Each screenshot = one feature with a clear benefit headline.
Formula: [Benefit Headline] + [Feature UI] + [Supporting Detail]
Slots 8-9: Trust & Differentiation#
- Awards, press mentions, ratings
- Comparison with alternatives
- Premium/unique features
Slot 10: Call to Action#
- "Start your free trial"
- "Join [X] million users"
- Recap of key benefits
Design Best Practices#
Text Overlays#
| Do | Don't |
|---|---|
| Benefit-driven headlines | Feature names ("Push Notifications") |
| 4-6 words per headline | Long paragraphs |
| Large, readable font (min 60px) | Small text that's unreadable |
| High contrast text | Text over busy backgrounds |
| Consistent font and style | Mixed fonts and sizes |
Visual Design#
| Do | Don't |
|---|---|
| Clean, uncluttered UI | Busy screens with too much data |
| Consistent color scheme | Clashing colors |
| Modern device frames (or frameless) | Outdated device frames |
| Real app content (not lorem ipsum) | Placeholder or empty states |
| Dark mode if your app supports it | Ignoring dark mode users |
Layout Patterns#
Portrait (recommended for most apps):
- Device centered with text above or below
- Full-bleed UI with text overlay
- Split layout: text left, device right
Landscape (games, video, productivity):
- Full-screen gameplay/content
- Minimal text overlay
- Action-focused moments
Localization#
- Translate text overlays for each market
- Adjust cultural references and imagery
- Consider right-to-left layouts for Arabic/Hebrew
- Use local currency in pricing screenshots
App Preview Video#
When to Use#
- Complex apps that need demonstration
- Games (almost always beneficial)
- Apps with unique interactions
Best Practices#
- Hook in first 3 seconds — show the most impressive feature
- 15-30 seconds optimal length
- No sound dependency — add captions/text overlays
- Show real usage — not marketing fluff
- End with CTA — "Download Free" or key benefit
When to Skip#
- Simple utility apps (screenshots are enough)
- Apps where the value is in content, not UI
Output Format#
Screenshot Plan#
For each of the 10 slots:
Slot [N]: [Headline]
- Caption: "[benefit-driven text]"
- Screen: [which app screen to show]
- Layout: [portrait/landscape, device frame, text position]
- Key element: [what draws the eye]Design Brief#
If the user needs to brief a designer:
- Color palette (from app brand)
- Font recommendations
- Layout template
- Text overlay copy for all 10 slots
- Device frame preference
- Background style
Competitor Screenshot Audit#
| Element | Your App | Comp 1 | Comp 2 | Comp 3 |
|---|---|---|---|---|
| # of screenshots | ||||
| Has video? | ||||
| First screenshot type | ||||
| Text overlay style | ||||
| Design quality (1-10) | ||||
| Unique angle |
Related Skills#
ab-test-store-listing— Test screenshot variationsaso-audit— Screenshots as part of broader auditcompetitor-analysis— Analyze competitor creative strategylocalization— Localize screenshots for international markets
FAQ
07 QUESTIONS
01What is the Screenshot optimization agent skill?
When the user wants to design, optimize, or evaluate App Store screenshots and preview videos. It is listed under go-to-market in the 100xLab agent skills directory.
02How do I install Screenshot optimization in Cursor, Claude Code, or Codex?
Run npx skills add eronred/aso-skills --skill screenshot-optimization in the project where you want it, then ask your agent for the skill by name. The --skill flag installs only Screenshot optimization, not every skill in the repository.
03What does the Screenshot optimization SKILL.md cover?
The SKILL.md includes sections on Initial Assessment, Screenshot Psychology, Screenshot Strategy Framework, Slot 1: The Hook, Slots 2-3: Core Value and Slots 4-7: Feature Showcase. Read the full text on this page or in plain markdown at /resources/agent-skills/eronred-aso-skills--screenshot-optimization--1fp8wuv/raw.
04Which agents can use Screenshot optimization?
Screenshot optimization installs with the cross-agent skills installer (npx skills add), which sets it up for agents such as Claude Code, Cursor and Codex. Each agent loads the SKILL.md when you ask for the skill by name.
05What license is Screenshot optimization under?
The eronred/aso-skills repository declares the MIT license. Read the license file in the repository before you copy or redistribute the skill.
06Is Screenshot optimization free to use?
Reading, copying and installing Screenshot optimization costs nothing: it is published in a public GitHub repository under the MIT license. Reuse and redistribution follow that license.
07Where is the source of Screenshot optimization?
Screenshot optimization comes from https://github.com/eronred/aso-skills, which has 1.8K GitHub stars. The SKILL.md is at https://github.com/eronred/aso-skills/blob/HEAD/skills/screenshot-optimization/SKILL.md. The author is eronred.
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ATTRIBUTION
Screenshot optimization was written by its original authors and is published in eronred/aso-skills (opens GitHub in a new tab) under the MIT license. All rights stay with the original authors.
100xLab did not write, maintain or endorse this skill. This page lists it for discovery. Repo stars belong to the source repository, not to the skill. Review any skill before you install it.