Why is Gamification? How to apply into language learning?

According to 7 Things You Should Know About Games and Learning, gamification refers to the dynamic games based on content of the courses that benefit future teaching and learning. The aims are to increase engagement, enhance learning and explore new models of education. Gamification means
In this article,  “Just” Playing Games? A Look at the Use of Digital Games for Language Learning , the author discusses the application of digital games in language learning. Digital games can not only overcome difficulties like intercultural competence and pragmatics, but also modify the learning and teaching process and influence many aspects of language acquisition. It mainly focuses on the goal, interaction, feedback, context and motivation. When involving games into classroom, we as teachers need to always keep in mind the purposes like what language point I want my students to practice. Interaction is very important. We need to make sure that students are engaged into the games. Thus we need to make the games challenging while attractive. To increase interaction, we can also have students work in groups so that they can be more confident and more willing to put effort. Another important thing for successfully conducting the digital games in learning is feedback. The digital games are very good and effective at giving feedbacks. Thus the learners can be aware of their abilities.
Also in the video Tom Chatfield: 7 Ways Games Reward the Brain, the speaker also discusses some important aspects for successfully applying games into learning. The speaker mentions the importance of breaking learning process into pieces by establishing long and short-term aims. He also talks about how other people are important during this process. Since engagement is one thing that support learning and games are considered highly involved activities, learning through games definitely will improve learning compare to other traditional classroom activities.