TikTok Ads Campaign for Mobile App in Brazil

Create a TikTok Ads campaign for [APP NAME], a [CATEGORY] app available on [iOS/Android/both], with a goal of [NUMBER] installs in [TIMEFRAME].

**Configuration:**
- Objective: App Install
- Budget: R$ [BUDGET]/month
- Audience: [GENDER], [AGE RANGE], Brazil (regions: [REGIONS])

**Targeting (3 audiences for testing):**
1) Interest: [3-5 relevant interests]
2) Behavior: engagement with [CATEGORY] content
3) Custom Audience: Lookalike of active users

**Creatives (5 concepts):**
For each concept, describe:
- Hook for the first 3 seconds (CRUCIAL on TikTok)
- Video script (15-30 seconds)
- Style: UGC, tutorial, POV, before/after, trend
- Final CTA
- Suggested music/sound

**Target Metrics:**
- Target CPI (cost per install): R$ [AMOUNT]
- Minimum CTR: [%]
- Minimum hook rate: [%] (watched 3+ seconds)
- D7 ROAS target (if monetized)

**Optimization:**
- Criteria for pausing/scaling creatives
- Creative refresh frequency
- Weekly incremental tests

Consider current TikTok Brazil trends and [AGE RANGE] audience behavior.