If the shorter command LD_LIBRARY_PATH=. ./Popcorn-Time didn't work, you'll probably need to write a shell script to assign LD_LIBRARY_PATH the correct value, incorporating its previous contents, while launching Popcorn Time.
If the shorter command LD_LIBRARY_PATH=. ./Popcorn-Time didn't work, you'll probably need to write a shell script to assign LD_LIBRARY_PATH the correct value, incorporating its previous contents, while launching Popcorn Time.