Acala 3GP Movies Free is a professional movie program for converting avi, divx, xvid, mpeg, vob, ect most of internet movies suit to mobile phone and turn mobile phone into a portable movies centre, it design for anyone who wants to enjoy the most pop movies from internet on mobile phone. With Acala 3GP Movies Free , you are able to convert all favorite movies onto your mobile phone and watch them wherever and whenever you want

Software vendor website:

Download HERE

Tutorial by Pardhi:
Perhaps it can be your alternative for 3gp converter with easy setting.
- Just set video size 176x144 and video quality to low, acceptable or normal. Higher setting decrease video performance (lagging) on e398.
- Add (use '+' button) your file and push ">" button to convert. use "-" to remove and "X" to clear all media file.
- support batch conversion - not tested yet
- quite fast conversion compare to other (at least in my opinion)
- extra (& handy) option :
   (1)  you can choose any portion of the video you want to convert - don't know whether it works in batch mode
   (2) you can split to several files, quite useful to suit my 64MB TF...