Most community-made mods and trainers are designed for the English build of the game. How to Change the Language (Official Versions)
Crytek and EA did something smart with Crysis 3 : They made language packs DLC. On , the English voice pack is frequently a free downloadable "DLC" for the game. Crysis 3 English Language Pack
The nuances of the performance are best captured in the original English script. Most community-made mods and trainers are designed for