sorry, forgot to add
If you have a Sony E or some samsungs/others that won't install jars directly you need a jad creator liek this
Download JADMaker 1.15 - JADMaker creates a JAD file for your .JAR Java Games - Softpedia
Obviously this applies only to teh first link, the themes are late(last 3 years) N series/e series Nokia only....