You are a Symbian Lover and want to run Java apps and Games in your Android.They are 40,000+ Symbian apps and games.It is possiable in Android 1.6 to Android 2.3.I will tell you how to Run it.
1) First Download JBED.apk file from Here .It works well on Android 2.3
2) Download and Install the .apk file in your android phone.
3) Open it and click on SD Card which is on Menu.
4) Now Choose the .JAR File that you want to Install in your Phone.
5) Click that and it will be installed.
Open it and Play.
If You have Trouble on Installing .apk you can Go to Clockwork Mod and Flash the JBED.ZIP File.
Here are the Alternative Apk apps to Install Java Files in Android.
PhoneME : Download
Netmite App Runner : Download
JBlend : Download