Samsung foldable smartphones (Galaxy Z Fold & Flip)

Smartphone used to read Wikipedia

HTC Desire Z, with a large touchable display and a QWERTY keyboard

A smartphone is a mobile phone that can also be used as a computer. They work as a computer but are mobile devices small enough to fit in a user's hand. They use a System on a chip or Minimal instruction set computer so they can be small.

Uses include:

• Sending and receiving emails, text, photographs and multimedia messages
• Registering contacts
• Calculator, currency conversions, alarm, etc. functions
• Browsing the Internet using a mobile browser
• Playing games
• Video chat
• Mobile payment for goods or services
• Barcode scanning
• Photography and video recording
• Use as torch to make light in dark areas
• Taking and searching notes
• Showing map of user's location by GPS (Global Positioning System)