Your Apps could be crashing for multiple reasons. Try to delete some internal memory in the device to make it easier for the app to run more efficiently.The more internal space the app has to run the less issues the app will have when in use. If that doesn't work, try to delete some internal memory in the device to make it easier for the app to run more efficiently.The more internal space the app has to run the less issues the app will have when in use.

Make sure Bluetooth is turned on. On the Leader Impression i10a-LE you can easily access your Bluetooth by going to your settings or by pulling down the tab and tapping “Bluetooth”. Once the Bluetooth is on make sure the devices are within proximity of each other.