Oracle Apps: Check current product installation and version

Use this query:

SELECT a.application_name,
DECODE (b.status, 'I', 'Installed', 'S', 'Shared', 'N/A') status,
patch_level
FROM apps.fnd_application_vl a, apps.fnd_product_installations b
WHERE a.application_id = b.application_id
order by 1