Hello Everyone! Here is my latest extension!
PayPal Extension : Integrate PayPal gateway in your app easily 
It is very simple to use
Blocks
Information
This extension is easy to use so I don’t think this need any long explanation but you can ask me any doubt here 
Note
The extension is discontinued as there is already a free version on the community
[FREE] PayPal: make payments in your app
Buy
PayTM – 1000INR
PayPal – 17.5 USD