“C Locker Pro v7.2.0.14 APK” May 18, 2015, posted at zona-satelite.com, [site visited Jun. 21, 2019]. http://www.zona-satelite.com/index.php?topic=26604.0. |
Kennemer, Quentyn, “Amazon Prime Music Review: should you cut ties with your favorite streaming apps?” Jun. 22, 2014, posted at phandroid.com, [site visited Jun. 21, 2019]. https://phandroid.com/2014/06/22/amazon-prime-music-review. |
Leong, Lewis, “Best free Android music players” Jan. 8, 2015, posted at en.softonic.com, [site visited Jun. 21, 2019]. https://en.softonic.com/articles/best-free-android-music-players. |
Dobie, Alex, “Samsung Galaxy Nexus review (international version)” Nov. 21, 2011, posted at xxx.com, [site visited xx Month 20xx]. https://www.androidcentral.com/samsung-galaxy-nexus-review-international-version. |
“Review Hi Locker” Aug. 28, 2015, posted at simply--android.blogspot.com, [site visited Feb. 18, 2020]. http://simply--android.blogspot.com/2015/04/review-hi-locker.html (Year: 2015). |
“Music controls on lock screen?” Dec. 16, 2014, posted at forums.androidcentral.com, [site visited Jun. 9, 2020]. https://forums.androidcentral.com/moto-x/472280-music-controls-lock-screen.html (Year: 2014). |
“IOS6 operating system overview” Sep. 21, 2012, posted at mobile-review.com, [site visited Jun. 9, 2020]. https://www.mobile-review.com/apple/articles/ios6-rev.shtml (Year: 2012). |
“Lock Screen Style OS 10 Free 1.2 APK” Jul. 14, 2016, posted at apk-dl.com, [site visited Jun. 19, 2018]. Available from Internet: http://apk-dl.com/lock-screen-style-os-10-free. |
“5 Best Android Lock screen Apps” Jul. 10, 2015, posted at youtube.com, [site visited Jun. 19, 2018]. Available from Internet: https://www.youtube.com/watch?v=L_gID1wYSXs. |
“WidgetLocker Lockscreen APK” Dec. 13, 2013, posted at apk-dl.com, {site visited Jun. 19, 2018]. Available from Internet: http://apk-dl.com/widgetlocker-lockscreen. |
Floatify Lockscreen 11—Now with lockscreen, iOS10 themes and more! Jun. 25, 2014, posted at forum.xda-developers.com, [site visited Jun. 19, 2018]. Available from Internet: https://forum.xda-developers.com/showthread.php?t=2794876. |