[Samsung Galaxy S8 & S8+ Cross Device Development] ace2nutzer:
Have you both a micro-sd-card inserted in your phone ?

Which ROM are you using ? - There are a lot of errors in logcat, e.g. with Google-Cloud and:

04-11 22:22:10.974 17707 18703 E iMSDK : ╔════════════════════════════════════════════════════════════════════════════════════════

04-11 22:22:10.974 17707 18703 E iMSDK : ║ BuglyCppHelper$1.onCrash (null:20)

04-11 22:22:10.974 17707 18703 E iMSDK : ╟────────────────────────────────────────────────────────────────────────────────────────

04-11 22:22:10.974 17707 18703 E iMSDK : ║ onCrash -> {"type":2,"name":"SIGABRT","reason":"","userInfo":"#00 pc 0001ce62 \/system\/lib\/libc.so (abort+57) [armeabi-v8::ce97e6872c27a3b545685b7466d4bd09]\n#01 pc 00054a0b \/system\/lib\/libc.so (__stack_chk_fail+10) [armeabi-v8::ce97e6872c27a3b545685b7466d4bd09]\n#02 pc 001ed397 \/system\/vendor\/lib\/egl\/libGLES_mali.so [armeabi-v8::60a2eadc2fe7289a3640056e02c6fc4b]\n#03 pc 001f5117 \/system\/vendor\/lib\/egl\/libGLES_mali.so [armeabi-v8::60a2eadc2fe7289a3640056e02c6fc4b]\n#04 pc 001a8927 \/system\/vendor\/lib\/egl\/libGLES_mali.so [armeabi-v8::60a2eadc2fe7289a3640056e02c6fc4b]\n#05 pc 001a6c13 \/system\/vendor\/lib\/egl\/libGLES_mali.so (glDrawElements+34) [armeabi-v8::60a2eadc2fe7289a3640056e02c6fc4b]\n#06 pc 0415a394 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#07 pc 0415a4e0 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#08 pc 02e43d88 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#09 pc 02f43a7c \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#10 pc 02f42a74 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#11 pc 02f3b430 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#12 pc 02f6a328 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#13 pc 02ffbd40 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#14 pc 02fff540 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#15 pc 02570410 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#16 pc 02570074 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#17 pc 02a4fcdc \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#18 pc 02a58ad8 \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#19 pc 025a02fc \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#20 pc 0256e0ec \/data\/app\/com.tencent.ig-TR9z3VenWjc9cFFVG3Y2cg==\/lib\/arm\/libUE4.so [armeabi-v7a::4d0ba042993e06899783c4cee44a208d]\n#21 pc 00064899 \/system\/lib\/libc.so (_ZL15__pthread_startPv+140) [armeabi-v8::ce97e6872c27a3b545685b7466d4bd09]\n#22 pc 0001e329 \/system\/lib\/libc.so (__start_thread+24) [armeabi-v8::ce97e6872c27a3b545685b7466d4bd09]\njava:\n"}

04-11 22:22:10.974 17707 18703 E iMSDK : ╚════════════════════════════════════════════════════════════════════════════════════════

I suggest to show this log to your ROM developer, it should help to debug the ROM or try with stock ROM.