Table 7. Common issues in the current study and previous studies.

Current study	Fontão et al. (2018)	Rosen & Shihab (2016)	Beyer & Pinzger (2014)	Linares-Vásquez, Dit & Poshyvanyk (2013)
Android studio
Kotlin
Arrays		$✓$
Error handling	$✓$	$✓$		$✓$
Authentication	$✓$	$✓$
View controller	$✓$	$✓$		$✓$
Web view		$✓$	$✓$	$✓$
Imaging		$✓$		$✓$
API requests		$✓$	$✓$	$✓$
Flutter
Project building	$✓$			$✓$
List view	$✓$	$✓$
Emulator			$✓$
Button actions	$✓$
Text settings		$✓$
Casting	$✓$	$✓$		$✓$
Layout settings	$✓$	$✓$	$✓$	$✓$
React-native
Style-theme		$✓$
Event issues	$✓$
App crash		$✓$		$✓$
Connection		$✓$	$✓$
File settings		$✓$
Fragment activity	$✓$	$✓$	$✓$
Navigation bar		$✓$	$✓$
Database tasks	$✓$	$✓$	$✓$	$✓$
Map API		$✓$		$✓$
Notifications	$✓$	$✓$
Firebase	$✓$
Media streaming	$✓$	$✓$	$✓$	$✓$
Functions
Threading		$✓$
Cloud firestore
Xamarin
Dialog alerts		$✓$
Testing