Huan Lin's Wonderland
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A letter from my customer

To me, the purpose of studying Computer Science is to create positive impact on the daily lives of others, and to make a difference in the real world. 
Here is an email from one of my customers, who had a knee replacement. 
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This is what matters, the appreciation and acknowledgement from my customers. This is when I know all the hard working days and nights have finally paid off.

Besides iOS development, I also migrated Let's Spot It to Android and Mac Platform. 
Now I have reached over 18 million downloads. (16 million iOS users and 2.5 million Android Users)
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Let's Spot It!

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Let's Spot it! is one of my most profitable games. I constantly update it since its first release in 2011. The latest version adopts "Metro Style" user interface. 

The game concept is very simple. Find the difference between two pictures. However, there are unique features that make this game standing out among all games of the category. 

Classic game: Traditional find the difference game, spot three differences per level within a time limit.
Expert: On top of classic game, I introduced two innovative features: "Inside the Mirror" and "Mask Challenge". 
VS mode: Two friends can play against each other. It was originally available with a 0.99 in-app purchase. Now it is for free due to overwhelming requests from my players. 
Challenge: With game center support, Challenge mode allows you to compete against players all around the world. 
Endless: Why not grab a cup of coffee and enjoy beautiful pictures without time limit? 
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"Inside the Mirror" and "Mask Challenge"
A nice review by AppBuddy.com of the early version

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Link Mania

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Link Mania is a very addictive puzzle game. It is also the first game in which I integrated iCloud Sync. With more than 800 levels, unique features like Camera Mode, Daily Gold Rush, Spawning Tiles, Gravity, Magic Items, it is the best of its type. 

"Camera DIY" is the selling point of this game. Players can take pictures of their friends or even themselves, and match those real life pictures in the game! 

Link Mania is also fully configurable. It allows players to tune the difficulty levels by setting Spawning Rate, Gravity (Horizontal vs Vertical, Strong vs Weak) etc. 

There are also magic items user can purchase with coins. A Bomb removes one pair of tiles; A Shuffle re-order the game board; A Clock gives you additional time. 

Gold Rush Mode is triggered with a probability after each level, based on how many combos you get. This allows player to earn fast coins without real money purchase. 

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Ace Drop

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Download (iPad)
Ace Drop is one of my early action/arcade games. The main character is hand-drawn by myself. 

There are four control methods integrated, which make it extremely customizable. Players can choose one of Touch, JoyStick, "FollowUrFinger" and Accelerator control, and adjust the sensitivity for each one. 

Two virtual currencies are used in this game: Coins and Diamonds. Users can upgrade their characters or purchase items and themes, or to feed the tree of mystery, who knows ten thousand things. 

Ace Drop gained a large exposure upon release in the early 2012. It was featured as "New & Noteworthy(N&N)" on the US App Store in Feb and the iPad version ranked #2 Top Apps on the China App Store in Mar. 

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4 Controls: Touch, JoyStick, "FollowUrFinger", Gravity
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Jungle Theme
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Doodle Theme
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Alien Theme
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No.1 Most Played game in Game Center (Mar 3, 2012)
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Selected as New & Noteworthy on US Store (Feb 12, 2012)
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No.2 Top Free iPad Apps in China App Store (Mar 1, 2012 - Mar 10)

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Powerful Brain

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Powerful Brain - Brain Teasers, Funny Jokes and How Things Work is my first non-game educational app on the app store. Coming from a game development background, I tried to 'gamify' this app to make it more interactive and fun. 

It is designed for both kids and adults. Some best features include customizable User Interface, Social Network Integration, Easy Feedback ("Chat with the Developer"), and a cool scratch card design. 

The eye-catching icon is designed by myself. It has a nice color scheme and a special meaning: to enlighten everyone's brain. 


After its success, I released more similar apps such as "Haha - Funny Jokes" and "A Thousand Whys - Encyclopedia for Everyone". I aim to spread happiness and knowledge through my apps. 

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LinChat

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LinChat - A cross-platform chatting service 
with Privacy, Security Features
(Undergraduate Final Year Project)

There are several existing chatting services out in the market with large user bases, however, many focus excessively on monetization while rarely on privacy and security issues, which I believe should have been protected long time ago.

The objective of this project is to develop a secure chatting service that protect users' privacy. Furthermore, a lightweight social network is integrated, which allows users to post status, like or share status, and leave comments. More advanced features such as "Self-Destructive Message" and Personality-based Friend Recommendation are implemented. 

Lastly, a Keyword Targeted Advertisement Network is built as a monetization method. The network provides a precisely targeted advertisement service without collecting any personal information.

At current development stage I mainly focus on iOS platform, and the Android version will start soon next month. WebApp Browser version will start by the end of this year. 

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