Gamified Mobile Applications for Improving Driving Behavior: A Systematic Mapping Study

Table 8

The number of retained papers after each step of the selection process.

Digital library	Returned studies	Year filter (2007–March 2021)	Title/abstract review	Full-text review	Retained studies
					Android only	iOS only	Android and iOS	Windows phone	Total
IEEE	98	75	19	11	5	0	0	1	6
ACM	16243	13996	236	60	44	3	0	0	47
SCDirect	456	442	34	10	5	1	2	0	8
Springer	8432	2394	100	18	15	2	1	0	18
Total	25229	16907	389	99	69	6	3	1	79