noun, noun or participle which takes 'suru'
Wasei-eigo from 'plus on'. Refers to something added on top of a base, such as an extra feature, option, or bonus. Often used in product descriptions, services, and casual conversation.
wasei-eigo (Japanese-coined English), from plus on
このプランには、オプションでデータ容量をプラスオンできます。
With this plan, you can add extra data capacity as an option.
基本料金にプラスオンして、追加サービスを利用する。
I use additional services by adding them on top of the basic fee.