A mathematical model for suitability of smartphone apps for children

Table 2

Details of the apps.

App	Description of the app	Most important skill required to use the app	Link from where the app can be downloaded
Baby’s fish	A simple game where children have to tap on virtual fishes moving across the screen.	Acquiring on-screen targets	https://play.google.com/store/apps/details?id=com.bhavya.fishfishfish
Baby’s drawing	A drawing app with minimal features and voice prompts.	Performing single-finger gestures	https://play.google.com/store/apps/details?id=com.india.apkcrew.babysdrawingapp
Sketch – Draw and paint	A drawing app with many features and options.	Using complex menu system	https://www.apkmirror.com/apk/sony-mobile-communications/sony-sketch-draw-paint/sony-sketch-draw-paint-9-0-t-0-0-release/sony-sketch-draw-paint-9-0-t-0-0-android-apk-download
Baby’s butterflies	An augmented reality game where children have to tap on virtual butterflies flying across the screen with the live surrounding visible in the backdrop.	Using augmented reality	https://play.google.com/store/apps/details?id=com.nsit.baysbutterflies
YouTube kids	A video streaming app with content specially selected for children.	Holding a smartphone firmly in hand	https://play.google.com/store/apps/details?id=com.google.android.apps.youtube.kids
Kid English vocabulary	A vocabulary app that shows images of various objects and also provides their name, spelling and pronunciation.	Acquiring on-screen targets	https://play.google.com/store/apps/details?id=englishkideyelevel.ekel
Google app	An internet search app that supports searching with both textual and voice-based queries.	Holding a smartphone firmly in hand	https://play.google.com/store/apps/details?id=com.google.android.googlequicksearchbox
WhatsApp	An instant messaging app with support for audio and video calls.	Holding a smartphone firmly in hand	https://play.google.com/store/apps/details?id=com.whatsapp
Wikipedia app	An online encyclopaedia app.	Using hypertext	https://play.google.com/store/apps/details?id=org.wikipedia