Here are some strategies that you can use to try and create a viral marketing campaign for your app:

1. Create shareable content: Create content that is easy to share and that will appeal to your target audience. This can include funny videos, interesting articles, or other types of content that people will want to share with their friends and followers.
2. Encourage sharing: Make it easy for users to share the app with their friends and followers. This can include adding social media sharing buttons to the app, offering referral programs, or creating unique shareable content such as memes or GIFs.
3. Utilize influencers: Partner with influencers who have a large following on social media or other platforms. These individuals can help promote the app to their audience and encourage them to share it with their followers.
4. Offer incentives: Offer incentives such as discounts, exclusive content, or other rewards to users who invite their friends to download the app.
5. Run a contest or challenge: Host a contest or challenge that encourages users to share the app with their friends and followers. This can be a fun and engaging way to get people talking about the app and sharing it with others.

It’s important to note that creating a viral marketing campaign is not easy and requires a combination of creativity, timing, and luck. It’s also important to have a solid marketing plan in place and to be prepared to adapt and pivot if necessary.