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Any comments, bugs, suggestions, please contact at

FAQ

– Q. Can I install old mobile apps or games in new iOS / Android version?

– A. Usually no. If there is a major upgrade of the mobile OS version, there are a lot of requirements changed. Example, if new OS version requires new user permissions on bluetooth usage, microphone usage or camera usage, the app source code must also make changes to fulfill these new requirements. Otherwise, the app crashes or unusable.

** [Update 2, Feb 15, 2023] Currently, the app developer is just finished and released a new Android app, Headline Widget. This app is to read rss global and local news on Android home screen, without open the app.

* [Update 1: project on hold] Remarks: Currently, the app developer is now working on a new website https://atradingsystem.com/ which is about algorithmic  stock trading (or sometimes called “program trading”) tutorial in python programming language. User can still leave comment on app store. It will be read everyday.

There are about more than 10 apps and games are depreciated, and removed from App Store / Google Play E.g. iselfie, iselfie two, Unreal Fly Through, VR Fly Fast, which are a few popular iPhone / Android apps / games are removed, due to high cost of maintenance. After re-locate this web hosting website, this website is also re-design and removed most outdated app content.

The developer is a Hong Kong people. You may send email to him in English, traditional Chinese, or even simplified Chinese. All kind of discussions are welcome. No spam, please.