From within Infinit
First, open Infinit on your Android device. Select the airplane icon in the red circle at the bottom right of the screen. You will then be shown a list of photos and videos from your gallery.
Select as many items as you'd like and tap the Next button that appears at the bottom of the screen. Upon tapping Next, you'll arrive on the send view. Your Google contacts will be listed in this view. Search for or select a contact from the list.
You can also type an email address (read more) or phone number (read more) if your contact does not appear.
Once you've selected your recipients, tap the Send button at the bottom of the screen to start your transfer.
From other apps
Infinit is not limited to your gallery. You can also share files and folders from any other app.
From any application, tap the share icon, then select Infinit. Infinit will open to the Send view immediately. Search for or select a recipient from the list or type an email address or phone number. When you've added your recipients, tap send to begin your transfer.