スマートフォン(smartphone): A smartphone is a mobile device that combines the functions of a phone and a computer. It can make calls, send messages, browse the internet, and run various apps.
ノートパソコン(nooto pasokon): This term refers to laptop computers. They have keyboards for typing and larger screens compared to smartphones or tablets.
アプリ(app): Short for "application," an app is software designed for specific tasks or entertainment purposes. Apps can be downloaded and installed on tablets to enhance their functionality.