This program will make a missed call appear on your friends phone without actually calling them. Seems like a good idea if you just want someone to call you back without disturbing them with the ring. You write the number or search it on the Contact list and click “Hacer Perdida!/Do a miss call!” and the program do a missed call.
Make sure you add the county code through “Settings/Ajustes ” softkey. Make sure its with out the lading zero/+ , for eg Australia code should be 61
version 0.4 has 2 .ini files lang.SPA.ini and lang.ENG.ini copy the language file that you want in to the root of the phone and name it as lang.ini
Source : 
xda-developers.com
Older Version : cperdidas v 0.2
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New Version Released :
cPerdidas 0.5
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