Heres a new version of the Colecovision Emulator for the Android OS, heres the release notes:

Marat Fayzullin updated his Coleco Vision emulator ColEm for Android devices.
* Fixed native crash when saving state.
* Fixed several other possible sources of native crashes.
* Fixed desktop icon placement.
* Fixed crash when passing “file://” URI via desktop icon.
* Fixed high frequency PSG noise (dynamite sounds in HERO).
* Fixed DropBox crash when app folder has subfolders.
* Any virtual (android-16) and disabled (android-27) devices are ignored.
* Switched to the latest android-27 SDK.
* Now using Android build tools version 27.0.2.