https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414301#M3993 Try Contacting the app developers it's up to them to fix compatability issues.<BR /> Tue, 18 Aug 2015 04:59:38 GMT Phy 2015-08-18T04:59:38Z https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414300#M3992 <P>hi&nbsp;</P><P>i face the issue of app lock is not supporting it cant lock the app please help me on this issue&nbsp;</P> Tue, 18 Aug 2015 04:46:07 GMT https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414300#M3992 luvcool 2015-08-18T04:46:07Z https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414301#M3993 Try Contacting the app developers it's up to them to fix compatability issues.<BR /> Tue, 18 Aug 2015 04:59:38 GMT https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414301#M3993 Phy 2015-08-18T04:59:38Z https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414302#M3994 <P>any other optiopn aprat from that&nbsp;</P> Tue, 18 Aug 2015 05:04:01 GMT https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414302#M3994 luvcool 2015-08-18T05:04:01Z https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414303#M3995 You can look for and install another similar app that is compatible. Tue, 18 Aug 2015 05:11:52 GMT https://community.sony.gr/t5/c-series/app-issue-with-c4-dual/m-p/3414303#M3995 Phy 2015-08-18T05:11:52Z