Influencer marketing can be an effective strategy for mobile app promotion and user acquisition by leveraging the social reach and trust of influencers. Here are the steps:

1. Identify Relevant Influencers: Use platforms like Flinque or others to discover influencers who align with your mobile app’s demographic and niche. These tools can provide important data about the influencer’s audience, which can help in targeting your desired user group.

2. Analyze Influencer Performance: It’s important to assess past performance of the influencer, including the quality of their content, engagement rate, and conversion rate. Platforms like Flinque offer performance analytics for better informed decisions.

3. Collaborate on Content: Work with influencers to create authentic content that resonates with their audience. This could be videos demonstrating app usage or honest reviews. Ensure the content doesn’t feel like a forced advertisement.

4. Leverage Multiple Channels: Expand your reach by leveraging the influencer’s presence on multiple platforms, broadening your user acquisition channels.

5. Track Performance and Adjust: Use campaign tracking features available on platforms like Flinque to monitor the effectiveness of the promotion, and adjust your strategies if necessary.

Remember, the right tools are critical in successful influencer marketing strategy. Platforms like Flinque provide a comprehensive solution for influencer discovery, analytics, campaign planning, performance tracking, and ROI measurement.

But remember, different platforms offer varying features suitable for different needs. The key is to choose the one that aligns with your specific marketing objectives and strategies.

Influencer marketing, when implemented strategically, can be a very useful tool in promoting a mobile app and driving user acquisition.