RapidTyping is a freeware used to train, strengthen your keyboard typing skill. It comes with friendly, intuitive and beautiful UI & color scheme, supports for multiple languages and multiple users, and provides typing analysis and statistical functions to report and track the progress of students, as well as interesting typing games for young kids to learn typing.

A few days before I wrote this post, my laptop keyboard had at least 9 keys broken due to water splashing. In the meantime, I first used the Keyboard Map Tool to temporarily modify the key mapping of those broken keys in order to continue to use this keyboard constrainedly. Afterwards, I found this Keyboard Test Utility, which helped me determine all the broken keys. In the end, I also use it to test the validity of all keys on my newly-bought USB external keyboard.

Android emulators have two primary applications for PC users: testing platform for Android app developers + playing Android games on larger computer screens. YouWave for Android is a high-performance, user-friendly and independent Android OS emulating program for Windows. It can simulate and run Google's Android operating system on Windows platforms, where you are then allowed to easily install and smoothly run thousands of games and apps developed for Android OS.

UltraSurf (AKA: 無界瀏覽) is one of the world's most popular free anti-censorship and pro-privacy applications, developed by UltraReach Internet Corporation in 2002. It was originally created to help internet users in Mainland China (where the Internet is heavily censored and Internet users' activities are monitored by the Great Firewall of China) bypass internet censorship and protect their online security & anonymity. After that, it became popular in many countries with Internet blockade due to its good usability, fast running speed and unlimited network traffic.

The web animation and interactive content based on HTML5 does not require Adobe Flash Player support, thus it adapts to any platforms or devices, and has no compatibility problems. Google wants to use its Google Web Designer (it is said to be acquired and rebranded from Motorola's Ninja IDE, which is similar to Hype and Adobe Edge Animate, or Adobe Muse and Reflow) to promote the development of the entire Web (primarily advertising) industry to further popularize HTML5 and to give up using Adobe Flash.