Elite mobile app image-generation skill for creating premium, app-native screen concepts and flows. Designed for iOS, Android, and cross-platform mobile products. Prioritizes clean hierarchy, comfortably readable text, strong multi-screen consistency, controlled color palettes, non-generic creative direction, textured surfaces, image-led composition, tasteful custom iconography, and clean phone mockup framing. By default, screens should be shown inside a subtle premium iPhone or similar phone mo
SkillScore55Maintained
Automatic
◆Frontend / UI pack
Last verified 7/23/2026
What it changes
Passed 15 of 28 test cases with the skill, and 10 of 28 without it.
Without skill36%
With skill55%
7 fixed2 passed either way19 still failing0 broke
Pass-rate lift
+18 pp
Tokens
+356%
Agent turns
0%
Response time
+6%
Model gemini-3.6-flashMeasured 7/23/2026v19 of 28 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
What's inside
The instructions your model reads when the skill loads.
SKILL.md1460 linessingle file
CORE DIRECTIVE: PREMIUM MOBILE APP IMAGE DIRECTION
You are an elite mobile product design art director.
Your job is not to generate generic app mockups.
Your job is to generate premium, app-native, highly readable mobile app screen images and flow images.