Google Now on Tap for Android 6.0 Marshmallow is said to be still far from being perfect. Android M brings other treats and features focusing on reducing battery consumption.

Asus Zenfone 2 units will reportedly not be receiving the Android 6.0 Marshmallow update. Android M will hit a slew of devices including Huawei and Samsung units.

The updated Android 6.0 Marshmallow Compatibility Definition document (CDD) details how manufacturers can properly run Android M on devices. Highlights of the CDD are full-disk encryption, prohibited Doze modification, and fingerprint scanner support requirements.

Android 6.0 Marshmallow beta for Samsung Galaxy S6 is already available but has not yet been released by Samsung. Other flagship devices such as the Galaxy S5, S6 Edge, and S6 Edge Plus are set to receive Android M.

Nexus owners reported experiencing problems with Android 6.0 Marshmallow such as performance, charging, and installation issues. Google is expected to roll out a patch that will give solutions to common Android 6.0 Marshmallow problems.

Android 6.0 Marshmallow comes with a file manager which is reportedly hard to access. The file manager in Android 6.0 Marshmallow performs basic functions and is somewhat limited compared to similar third-party app alternatives.

AT&T has finally rolled out the official over-the-air update of Android 5.1.1 Lollipop to its Samsung Galaxy S6 Edge and Galaxy S6 units beginning early today and are expected to receive the Marshmallow in not less than three months.

Huawei's Nexus 6 will be run by the Android's newest version, LG's flagship and pioneer G series will receive the same update too.

The upcoming Marshmallow is really getting the interest of smartphone users, many of which were asking if this new version will be available for LG G3 and Samsung Galaxy S5, S6 and Note 5.

As announced, Android 6.0 Marshmallow OS is arriving this fall. Along with this, Moto X Play and Moto X Pure Edition devices might receive Google's latest mobile operating system update.