J2me Russian square little game, code refining, sharing

俄罗斯黑白版\.classpath
............\.eclipseme
............\...........tmp\emulation\俄罗斯黑白版.jad
............\..............\.........\俄罗斯黑白版.jar
............\..............\verified\classes\GameCanvas.class
............\..............\........\.......\GameEngine.class
............\..............\........\.......\TerrisMIDlet.class
............\.project
............\.settings\org.eclipse.jdt.core.prefs
............\bin\background1.png
............\...\background3.png
............\...\GameCanvas.class
............\...\GameEngine.class
............\...\TerrisMIDlet.class
............\src\background1.png
............\...\background3.png
............\...\GameCanvas.java
............\...\GameEngine.java
............\...\TerrisMIDlet.java
............\俄罗斯黑白版.jad
............\.eclipseme.tmp\verified\classes
............\..............\........\libs
............\..............\emulation
............\..............\verified
............\.eclipseme.tmp
............\.settings
............\bin
............\deployed
............\res
............\src
俄罗斯黑白版

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