Please roast my homepage and app

Hey guys, just come out a new product. Please roast my homepage.

Here is my homepage here

This is what my app, CoolLinks do:

When you wanna Live Stream, you wanna to sell a product
You open my app
Upload 1 photo
Set product name and price
You get a link, then you pin it in your Live comment section

I want to know:

• when you reach my homepage, do you clear what this app for you?
• Give me some feedback about how can I improve
• If you are an online seller, will you use this product? Why?

Looking forward for your feedback, any help is appreciated.

Cause I totally clueless.. haha