## 5 Results
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Ref.** & **Application Name** & **Development Tools** & **Operating System** & **Device** & **Gamification Elements** \\ \hline
[165] & CyBAR & Unity and Vuforia & Android & Mobile devices & Quiz questions and points \\ \hline
[166] & GARMA & Unity and Alibaba & & & \\  & GARMA & Cloud Elastic & Android & Mobile devices & Game-like features, scores, and leaderboards \\ \hline
[167] & PlayVisit & n/a & n/a & Mobile devices & Points and virtual rewards \\ \hline
[168] & MagiPlay & Unity and ARKit & iOS & Mobile devices & Points and levels \\ \hline
[169] & n/a & n/a & n/a & n/a & Game-like features, tasks, and role-playelements \\ \hline
[170] & RoboTIC & Unity & Windows & Microsoft & Game-like features, badges, and achievements \\ \hline
[171,172] & n/a & n/a & n/a & n/a & n/a \\ \hline
[173] & n/a & HP Reveal & Android and iOS & Mobile devices & Game-like features \\ \hline
[174] & PlanetarySystemGO & Unity and Vuforia & Android & Mobile devices & Game-like features, quiz questions, and points \\ \hline
[175] & ARQuest & Unity and Vuforia & Android & Mobile devices & Virtual tokens, digital stories, and challenges \\ \hline
[176] & n/a & n/a & n/a & Mobile devices & Virtual rewards and points \\ \hline
[177] & n/a & n/a & n/a & Mobile devices & Game-like features, quiz questions, and scores \\ \hline
[178] & TARGaLM & n/a & n/a & Mobile devices & Points, badges, and leaderboards \\ \hline
[179] & MRPT & Unity & Android & HTC Vive Pro & Game-like features, scores, and feedback \\ \hline
[180] & n/a & n/a & n/a & Mobile devices & Game-like features \\ \hline
[181] & STEAM-GAAR & n/a & n/a & Mobile devices & Points, leaderboards, and virtual rewards \\ \hline
[182] & GARSTEM & n/a & n/a & n/a & n/a \\ \hline
[183] & n/a & n/a & n/a & Mobile devices & Game-like features, feedback, points, and virtual rewards \\ \hline
[184] & n/a & n/a & n/a & Mobile devices & Scores and mini games \\ \hline
[185] & n/a & n/a & n/a & Leap Motion & Levels, tasks, and virtual rewards \\ \hline
[186] & n/a & OpenCV & n/a & Mobile devices & Game-like features \\ \hline
[187] & SolarSystemGO & n/a & n/a & Mobile devices & Game-like features, quiz questions, points, and virtual rewards \\ \hline
[188] & Hunting Game & n/a & n/a & Mobile devices & Game-like features and quiz questions \\ \hline
[189] & Xplorerafe+ & n/a & n/a & Mobile devices & Game-like features and quests \\ \hline
[190] & MySpira & Univty, Vuforia, ARKit and ARCore & Android & Mobile devices & Game-like features, quiz questions, and points \\ \hline
[191] & Dragon Tale & n/a & n/a & Mobile devices & Game-like features, mini games, quiz questions, points, and puzzles \\ \hline
[192] & n/a & n/a & n/a & Mobile devices & Quiz questions and points \\ \hline \hline \end{tabular}
\end{table} 
Table 3: _Cont._ \begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Ref.** & **Main Findings** & & & & \\ \hline
[81] & Students found their augmented reality learning experience engaging, relevant, useful, and fun and regarded the quest completion and collaborative activities as highly motivating. & & & \\ \hline
[137] & The overall experience was viewed as useful, motivating, and satisfactory by students. A friendly competition was created between students and teachers to see who would obtain the highest score. & & \\ \hline
[138] & By promoting exploratory behaviors, the augmented reality application provided students with learning benefits, who in turn developed positive attitudes and found the application absorbing and enjoyable. & \\ \hline
[139] & Increased learning outcomes were observed for students who used the augmented reality game. & & \\ \hline
[140] & Students found the learning experience engaging and satisfactory; thus, the augmented reality application was characterized as a helpful learning tool. & & \\ \hline
[141] & Students’ learning motivation increased and the teaching process was more enjoyable. & & \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Empirical studies: Main findings.