Android Version 1.1 (Internal Codename Petit Four), is the next version released after Android 1.0, the first commercial version of Android.

Has support for third-party virtual keyboards and widgets. Also has a video record and playback feature in MPEG-4 and 3GP format, audio pairing and stereo support, and many more features.

 Has a text-to -speech engine, multi-lingual speech synthesis, and more Quality-of-Life features.

This update contains significant upgrades from previous updates and contains even more Quality-of-Life features.

This update features optimizations, the integration of Chromes V8 JavaScript engine, support of Android Cloud to Device messaging (which allows for push notifications), USB tethering and Wi-Fi Hotspot functionality, and much more.

This update features an improvement of the power management system, a Download Manager, NFC

 (Near Field Communication) Support, and native support for many more features.

The First Tablet-Only update which contains a multitude of new features, fixes, and Quality-Of-Life improvements including but not limited to:

Optimized tablet support, an Action Bar, a System Bar, improved multitasking, a simplified more intuitive Copy/Paste interface, quick access to Camera Features, and so many more.

This update brings with it a lot of improvements and features such as:

Soft Buttons for Android 3.x for phones, a built in photo editor,Wi-Fi Direct, an auto-sync feature for Chrome, a Face Unlock feature for easy unlocking,

This update brings many enhancements and optimizations for a smoother experience. The subsequent releases are bug fixes and other additions such as widgets in the lock screen.

Originally going to be codenamed Key Lime Pie (KLP), the name was replaced by KitKat due to not many people knowing the taste of KLP. This version has a more modernized User Interface and of course, a more refined storage system and tons of other features.

This update redesigned the User Interface and built it around a responsive design language referred as "material design". It also introduces Project Volta, with the purpose of battery life improvements. It also adds 15 system languages for more accessibility. This version also updates Emojis adding more Emojis and redesigns some old ones. This update also has guest log-ins for guest users.

This added the "Doze" Feature, which served as a way to reduce battery waste when the device is not being used. This update also featured an App Standby feature, native fingerprint support, Direct Share for target-specific sharing between apps, and more features.

This update introduces a new compile, the JIT compiler, which increased the app installation speed by 75 percent   (compared to the old compiler), and more.

This update had Project Treble, the biggest change to the foundations of Android to date, a modular architecture which makes it easier and faster for developers to deliver Android updates. This update also includes Picture-in-Picture support, Redesigned Quick Settings, Restructured Settings, a system-wide autofill framework, downloadable fonts, and more additions to make Android more comfortable and customizable.

As with most previous updates, this was mostly full of improvements and some new features. It also has an improved design, and the new

Android 10 featured a system-wide dark mode, gesture navigation, enhanced privacy controls, improved Digital Wellbeing tools, scoped storage for security, Live Caption for media, Smart Reply for messaging, Family Link for parental controls, and better support for foldable devices, prioritizing user experience and accessibility.

Android 11 introduced conversation bubbles for messaging, improved media controls, one-time permissions for privacy, enhanced Digital Wellbeing features, 5G support, screen recording, and a built-in voice recorder, focusing on convenience, privacy, and usability. 

Android 11 introduced conversation bubbles for messaging, improved media controls, one-time permissions for privacy, enhanced Digital Wellbeing features, 5G support, screen recording, and a built-in voice recorder, focusing on convenience, privacy, and usability. 

Android 13, released in August 2022, introduced enhanced personalization options like themed app icons and a redesigned Quick Settings menu. It improved privacy with a new photo picker for restricted app access, supported multiple languages per app, and enhanced connectivity with Bluetooth LE Audio. The update also improved large-screen experiences and included more customization options for notifications and a privacy-focused clipboard. Overall, it emphasized personalization, privacy, and usability. 

Android 14, released in October 2023, focused on customization, accessibility, and privacy enhancements. Key features included improved personalization options, like customizable lock screens, enhanced text editing tools, and better support for large screens. It introduced a new health app for tracking fitness and wellness, as well as stricter app permissions for improved privacy. Additionally, Android 14 enhanced battery management and included new tools for managing notifications. Overall, it aimed to provide a more tailored and secure user experience. 

Android 15L, released in 2024, focused on optimizing performance and enhancing user experience on large-screen devices, such as tablets and foldables. Key features included improved multitasking capabilities, a refined interface for better app interactions, and enhanced stylus support. The update also introduced better accessibility options, privacy improvements, and more robust customization settings. Overall, Android 15L aimed to provide a smoother and more intuitive experience across diverse devices.