Android

2008–2014
Used from Android 1.0 to 4.4.4 KitKat

2014–2019
Used from Android 5.0 Lollipop onwards.

2008–2014
The logo was first used on Android 1.0 and was continued to be used on Android Jelly Bean and KitKat after the new wordmark was introduced and it is currently unused as of September-October 2014 when Google introduced the new logo with the new wordmark.

2014–2019
The new wordmark for Android was introduced at the Google I/O event in June 26, 2014, first used in Android 4.4.4 KitKat and debuted with Android Lollipop in October-November 2014. This logo is still used on some "Powered by Android" bootup phones.

2017–2019
This logo is used on the Android website as well as on the "Be Together. Not The Same." ad campaign. From 2017 this logo is used on "Powered by Android" boot-up screen.

2019–present
This logo will debut on Android Q (Android 10) in Q3 of 2019 on selected devices.