28 Mar 2016 Mobile security for Android users seems to be tough to achieve these days, especially when considering how the source code of the Stagefright Although most Bitcoin users store their coins in a mobile wallet located on a more recent smartphone, there are a lot of people out there who use an older phone
24 Nov 2017 It seems there is some debate on Reddit regarding the Coinomi wallet. Most people assume this solution is open source, but that is not entirely true. An earlier version of the code can be found on Github, but it is not the current code for the wallet. Moreover, their android repository is now marked as inactive.