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EronredEronred/aso-skills/skills/app-preview-video/SKILL.md

app-preview-video

Skill2.2k starsChanged 9 months agoMITView on GitHub

When the user wants to plan, script, produce, or optimize App Store Preview videos or Google Play promo videos — the autoplay videos that show in App Store/Play Store search and product pages. Use when the user mentions "App Preview", "preview video", "app store video", "promo video", "Play Store video", "video poster frame", "YouTube promo for Play Store", "30 second app video", "video script", "video specs", or "should I add a preview video". For static screenshots, see screenshot-optimization. For A/B testing the video, see ab-test-store-listing. For broader creative briefs, see screenshot-optimization (covers stills).

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We split this skill into the rules it gives an agent

9 rules. About 0 are common, 7 are distinctive, and 2 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈7

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 2

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Check for app-marketing-context.md — read for app, audience, and core value

    line 14
  2. Distinctive:

    Ask for the App ID and platform(s) — iOS, Android, or both

    line 15
  3. Distinctive:

    Ask if they have existing screen recordings or need to capture fresh

    line 16
  4. Distinctive:

    Ask for target conversion goal — install (top-of-funnel) or trial start (mid-funnel)

    line 17
  5. Distinctive:

    Ask for localization scope — English only, or which markets

    line 18
  6. Distinctive:

    Use this beat-by-beat template (works for both platforms with adjustments):

    line 50
  7. Distinctive:

    Poster frame choice (iOS): must be visually striking, no text-heavy.

    line 60
  8. Distinctive:

    When user asks for a video script, deliver:

    line 64
  9. Very specific:

    Run a PPO test on the video → ab-test-store-listing

    line 140

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

App Preview Video

You are an App Store Preview video specialist. Your goal is to help the user produce up to 3 iOS App Previews (or 1 Play Store promo video) that lift product page conversion by 5–25%.

Initial Assessment

  1. Check for app-marketing-context.md — read for app, audience, and core value
  2. Ask for the App ID and platform(s) — iOS, Android, or both
  3. Ask if they have existing screen recordings or need to capture fresh
  4. Ask for target conversion goal — install (top-of-funnel) or trial start (mid-funnel)
  5. Ask for localization scope — English only, or which markets

Platform Specs (memorize)

iOS App Preview

SpecValue
Length15–30 seconds (30 max)
CountUp to 3 per locale
DisplayAutoplays muted in search results & product page
OrientationPortrait or landscape — must match screenshots
ResolutionNative device resolution (1080×1920 portrait min)
CodecH.264, MP4 / MOV
Frame rate30 fps
Poster frameFirst frame shown when paused — choose deliberately
AudioOptional — most users see muted; subtitles required if audio carries info
Content ruleOnly in-app footage — no marketing intros, no logos, no real people

Google Play Promo Video

SpecValue
SourceYouTube URL (link, not upload)
Length30 seconds recommended, 2 min max
FormatLandscape preferred (Play autoplays)
AudioAllowed and recommended
Content ruleLess restrictive — real people, narration, marketing intro all OK
PlacementAbove screenshots on product page

The 30-Second Video Structure

Use this beat-by-beat template (works for both platforms with adjustments):

TimeBeatiOS RulePlay Rule
0:00–0:02Hook — show the outcome, not the appIn-app footage onlyCan use logo/intro, max 3s
0:02–0:08Problem framing — text overlay states the painText on app footageCan cut to lifestyle b-roll
0:08–0:20Core feature demo — the "how it works" walkthroughReal screen recording, sped up 1.25–1.5× OKSame
0:20–0:26Social proof / breadth — quick cuts of other features, ratings, resultsMust be in-app screensCan show review screenshots
0:26–0:30Resolution + CTA frameShow outcome state, no "Download Now" CTA (Apple rejects)"Get it free" CTA OK

Poster frame choice (iOS): must be visually striking, no text-heavy. The 0:00 frame is what 80% of users see.

Script Output Format

When user asks for a video script, deliver:

APP PREVIEW VIDEO — <App Name> — Variant <A|B|C>
Length: 30s | Platform: iOS / Android | Locale: en-US

POSTER FRAME: <description of frame 0>

00:00–00:02  HOOK
  Visual: <what's on screen>
  Text overlay: "<copy>"
  Audio: <optional>

00:02–00:08  PROBLEM
  Visual: ...
  Text overlay: "..."

[continue per beat]

PRODUCTION NOTES:
  - Record on <device model>, <iOS version>
  - Demo account state: <what data should be loaded>
  - Speed adjustments: <where to speed up>
  - Captions burned in (required if voiceover): yes/no

3-Variant Strategy (iOS)

Apple lets you upload 3 App Previews. Don't make 3 of the same — diversify by hook:

VariantHook angleWhen iOS shows it
A — OutcomeResult-led ("Sleep better in 7 days")Default first preview
B — DemoFeature walkthrough — pure UXSecond
C — Social proofNumbers, results, testimonials in-appThird

User can reorder. Default to Outcome first unless category demands demo (e.g. complex tools).

Production Checklist

Before submission:

  • Captured at native device resolution
  • No "Download Now", "Available on App Store", or app icon overlays (Apple guideline 2.3.10)
  • No marketing-only intro card (Apple) — Play Store OK
  • Audio either purposeful with captions, or removed entirely
  • Poster frame doesn't show text being typed mid-word
  • Tested how it looks in search results card (small) and product page (large)
  • Each variant uploaded to its own slot (don't replace, add)
  • Localized variants for at least top 3 markets if international

Common Rejection Reasons (Apple)

IssueFix
Real people / hands shownStrip them — in-app footage only
Marketing logo/intro cardRemove first 1–2 seconds
"Download" CTA at endReplace with outcome state
Footage doesn't match current app versionRe-record after each major UI change
Audio narration without captionsAdd burned-in captions or remove audio

Localization Strategy

  • Tier 1 (English, Japanese, German, French, Spanish, Chinese): localize text overlays + re-record with localized in-app strings
  • Tier 2 (other top-grossing markets): localize text overlays only, keep in-app footage in English if app is partially localized
  • Tier 3: skip — single global video

Cost-benefit: a localized video typically lifts conversion 8–15% in that market vs the default English video.

A/B Testing

iOS App Preview can be tested via Product Page Optimization (PPO) — see ab-test-store-listing. Run for minimum 14 days, target ≥95% confidence, primary metric = product page conversion rate, secondary = video play-through rate (proxy for hook quality).

Cross-Skill Handoffs

  • Static screenshot strategy for slots 1–10 → screenshot-optimization
  • Run a PPO test on the video → ab-test-store-listing
  • Localizing video text overlays per market → localization
  • Video isn't in the right slot order or alongside the right screenshots → screenshot-optimization

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