~ Here, you can use the term "capture" or "screenshot" (the action of saving what's on the screen of the phone you're using).

"Finally, Snapchat is a useful application..."

~ Here, phrases like "To conclude" and "In summary" work better. "Finally" would be used to introduce the final step in a recipe, for example.

Snapchat

Many people use this program to photograph and communicate so it is useful and fun at the same time.

To start with First of all, Snapchat is an application that allows you to stay in touch with your friends using photos that will be visible for just a few seconds and then disappear forever.

The way the application works is very simple: take a picture, add some text if you want, specify how long the image remains visible and send it to a particular friend.

On the other hand, you'll soon discover, Snapchat's goal is to send photos to specific people on your side. Why? Because the person who gets the message will see it for a short period of time and will not have an effect after a few seconds and if the recipients register the image, the application will notify you.


Finally Snapchat is a useful application to stay in touch with your friends quickly, simply and visually.