App Store Description 170 Chars

Write app store promotional text for {{app_name}}.

CONSTRAINTS:
- Visible without clicking more: 170 characters
- Must include core value proposition
- Include differentiator from competitors
- Action-oriented language
- App Store compliance
- Keyword optimized: {{keywords}}

App category: {{category}}
Key features: {{features}}
Target user: {{user}}
Competitor apps: {{competitors}}

Provide:
1. Promotional text (with character count)
2. Full description structure
3. Keyword placement strategy
4. Screenshot caption suggestions
5. Review prompt integration