This tool lets you create fake messages (sent/received) in your inbox/outbox as well as fake call logs of any type (incoming/outgoing/missing).
You can specify related message/call log info like phone numbers, time, type, body, etc, download to find more.
Paid version is also available at SlideMe for $1
Japanese, Korean, French, Chinese (Taiwan)
Minimum Android version:
Minimum screen width:
, Read sms
, Read contacts
, Write contacts
, Read call log, Write call log