Unfortunately, the app looks terrible on newer devices (4.0+).
On my Galaxy Nexus, I use:
https://play.google.com/store/apps/details?id=com.glebpopov.... (Read Only)
https://play.google.com/store/apps/details?id=com.airlocksof... (Read/Write)
On my Galaxy Nexus, I use:
https://play.google.com/store/apps/details?id=com.glebpopov.... (Read Only)
https://play.google.com/store/apps/details?id=com.airlocksof... (Read/Write)