Kono sumātofon wa sōsa ga shinpuru de, totemo tsukaiyasui desu.

This smartphone has simple controls and is very easy to use.

Kinō daunrōdo shita jisho apuri wa, gamen ga miyasukute tsukaiyasui.

The dictionary app I downloaded yesterday has an easy-to-read screen and is easy to use.

Kono hōchō wa karukute tsukaiyasui node, ryōri shoshinsha ni hontō ni osusume desu.

This kitchen knife is light and easy to use, so I highly recommend it for beginners in cooking.

Daigaku no jugyō de tsukau nara, nōto pasokon to taburetto no dochira ga tsukaiyasui desu ka.

If I am going to use it for university classes, which is easier to use, a laptop or a tablet?

Kono baggu wa poketto ga takusan atte, ryokō no toki ni mo tsukaiyasui.

This bag has many pockets, making it easy to use even when traveling.

Okyakusama ni totte yori tsukaiyasui hōmupēji ni suru tame ni, dezain o henkō shimashita.

We changed the design to make the homepage easier to use for our customers.