Use APKPure App
Get Kawaii Battery Widget old version APK for Android
Lovely Battery Widgets
"MARKiii" on the notification bar tells battery power. You'll get "MARKiii" battery widgets. Please tap on the widget to change a battery design. You’ll find it a tool with full of entertainment. Keep pressing the home screen till an additional menu of widgets appears. Pick out “Kawaii Battery Widget” from a list of widgets.
This is an official "MARKiii" app.