Step 1:Open Cydia
Step 2:Add this Repo "repo.biteyourapple.net
Step 3: Download LocalIAPstore
Step 4:Open Action Movie FX
Step 5:Buy anything you want
Once it crashes open the app again then press buy the fx you want again (once the dialog pops up press cancel)then once it crashes open the app again then wait for a few seconds then repeat again if it fails
