[Xposed Framework Modules] Adchen:
I'm a long time user of Xposed so the answer is yes to all four questions ;)

I found this error in the log, it's the same on both devices and I also tried disabling all other modules except this one with no effect :(

Loading modules from /data/app/com.appsofawesome.keyboardutilities-1.apk
Loading class com.appsofawesome.keyboardutilities.KeyConsumeHook
java.lang.ClassNotFoundException: Didn't find class "com.appsofawesome.keyboardutilities.KeyConsumeHook" on path: DexPathList[[zip file "/data/app/com.appsofawesome.keyboardutilities-1.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]

Full log:

Sep 14, 2014 9:23:43 AM UTC
Loading Xposed v54 (for Zygote)...
Running ROM 'KOT49H.T700XXU1ANF7' with fingerprint 'samsung/klimtwifixx/klimtwifi:4.4.2/KOT49H/T700XXU1ANF7:user/release-keys'
Loading modules from /data/app/hk.valenta.completeactionplus-4.apk
Loading class hk.valenta.completeactionplus.XCompleteActionPlus
Loading modules from /data/app/de.defim.apk.notifyclean-2.apk
Loading class de.defim.apk.notifyclean.Xposed
[NotifyClean] loaded restricted packages: 1
[NotifyClean] loaded additional settings: 0
[NotifyClean] loaded set priority scores: 0
[NotifyClean] loaded configured patterns: 0
[NotifyClean] loaded dont-track packages: 0
[NotifyClean] loaded loquacious packages: 41
[NotifyClean] loaded notification events: 302
Loading class de.defim.apk.notifyclean.Xcheck
Loading modules from /data/app/com.zst.xposed.xuimod-1.apk
Loading class com.zst.xposed.xuimod.XuiMod
Loading modules from /data/app/com.smartmadsoft.xposed.nolockhome-1.apk
Loading class com.smartmadsoft.xposed.nolockhome.Locksmith
Loading modules from /data/app/de.robv.android.xposed.mods.appsettings-2.apk
Loading class de.robv.android.xposed.mods.appsettings.XposedMod
Loading modules from /data/app/com.ryansteckler.nlpunbounce-1.apk
Loading class com.ryansteckler.nlpunbounce.nlpFix
Loading modules from /data/app/de.blinkt.vpndialogxposed-1.apk
Loading class de.blinkt.vpndialogxposed.VpnDialogPatcher
Loading modules from /data/app/ma.wanam.xposed-2.apk
Loading class ma.wanam.xposed.Xposed
Loading modules from /data/app/de.robv.android.xposed.mods.irdetofix-1.apk
Loading class de.robv.android.xposed.mods.irdetofix.IrdetoFix
Loading modules from /data/app/com.mohammadag.burnttoast-1.apk
Loading class com.mohammadag.burnttoast.XposedMod
Loading modules from /data/app/com.gertlily.xposed.touchwiz-1.apk
Loading class com.gertlily.xposed.touchwiz.All
Loading modules from /data/app/com.germainz.yourtube-1.apk
Loading class com.germainz.yourtube.XposedMod
Loading modules from /data/app/ma.wanam.youtubeadaway-3.apk
Loading class ma.wanam.youtubeadaway.Xposed
[B]Loading modules from /data/app/com.appsofawesome.keyboardutilities-1.apk
Loading class com.appsofawesome.keyboardutilities.KeyConsumeHook
java.lang.ClassNotFoundException: Didn't find class "com.appsofawesome.keyboardutilities.KeyConsumeHook" on path: DexPathList[[zip file "/data/app/com.appsofawesome.keyboardutilities-1.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:67)
at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
at de.robv.android.xposed.XposedBridge.loadModule(XposedBridge.java:421)
at de.robv.android.xposed.XposedBridge.loadModules(XposedBridge.java:386)
at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:120)
at dalvik.system.NativeStart.main(Native Method)[/B]
Loading modules from /data/app/se.aqba.app.android.xposed.castfix-1.apk
Loading class se.aqba.app.android.xposed.castfix.Main
NlpUnbounce: Version 1.1.4
Xposed G-Touchwiz: SystemUI: sfinder_button_big hidden
Xposed G-Touchwiz: SystemUI: qconnect_button_big hidden
Xposed G-Touchwiz: SystemUI: S-Finder & Q-Connect layout hidden