The below Forms Personalization query will list all the forms in Oracle Applications that have been customized using Forms Personlization:

–Get Customer actions for a specific rule

Navigation: Help > Diagnostics > Custom Code > Personalize

Read more forms personalization articles

http://erpschools.com/articles/forms-personalization-tutorial

http://erpschools.com/articles/change-displayed-data-in-lov-using-forms-personalization

http://erpschools.com/articles/tools/forms/personalization/forms-personalization-call-plsql-procedure