Aedict OCR is retired and no longer on Google Play. To read Japanese text off a photo or the screen, use Google Lens or Google Translate's camera: they recognize text for free. Copy the recognized text and paste it into Aedict's search box, or let Aedict Reader Popup analyze it from the clipboard.
Aedict3 OCR uses SDCard to store captured images and recognized text. Internet access is only used when backing up/restoring data to/from ownCloud and/or Dropbox.
Aedict3 OCR uses the following permissions: