Using Two Versions Of Same Apps Together

[Napster]

steps>>>>
eg....
1. Install Opera 6.1

2. Go in e/system/apps

3. Change the folder name of Opera to Opera1

4. Install Opera 6.2

5. Now if u want to use opera 6.1, Change the folder opera to opera2 and opera1 back to opera 6. enjoy guys u have both the versions of opera now