diff --git a/mk/install.mk b/mk/install.mk
index 693589980ce039b34e523c4f2ea6c4cf8e863d33..71ea1d02a0e1efc4f7e214e90837c9173d4d9def 100644
--- a/mk/install.mk
+++ b/mk/install.mk
@@ -164,7 +164,7 @@ endef
 $(foreach target,$(CFG_TARGET_TRIPLES), \
   $(if $(findstring $(target),"arm-linux-androideabi"), \
     $(if $(findstring adb,$(shell which adb)), \
-      $(if $(findstring device,$(shell adb devices 2>/dev/null | grep -E '^[A-Za-z0-9]+[[:blank:]]+device')), \
+      $(if $(findstring device,$(shell adb devices 2>/dev/null | grep -E '^[A-Za-z0-9-]+[[:blank:]]+device')), \
         $(info install: install-runtime-target for arm-linux-androideabi enabled \
           $(info install: android device attached) \
           $(eval $(call DEF_ADB_STATUS, true))), \
@@ -181,6 +181,8 @@ $(foreach target,$(CFG_TARGET_TRIPLES), \
 
 ifeq ($(CFG_ADB_DEVICE),true)
 
+CFG_RUNTIME_PUSH_DIR=/system/lib
+
 ifdef VERBOSE
  ADB = adb $(1)
  ADB_PUSH = adb push $(1) $(2)
@@ -193,17 +195,18 @@ endif
 
 define INSTALL_RUNTIME_TARGET_N
 install-runtime-target-$(1)-host-$(2): $$(TSREQ$$(ISTAGE)_T_$(1)_H_$(2)) $$(SREQ$$(ISTAGE)_T_$(1)_H_$(2))
-	$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(CFG_RUNTIME_$(1)),/system/lib)
-	$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(CORELIB_GLOB_$(1)),/system/lib)
-	$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(STDLIB_GLOB_$(1)),/system/lib)
+	$(Q)$(call ADB_SHELL,mkdir,$(CFG_RUNTIME_PUSH_DIR))
+	$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(CFG_RUNTIME_$(1)),$(CFG_RUNTIME_PUSH_DIR))
+	$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(CORELIB_GLOB_$(1)),$(CFG_RUNTIME_PUSH_DIR))
+	$(Q)$(call ADB_PUSH,$$(TL$(1)$(2))/$$(STDLIB_GLOB_$(1)),$(CFG_RUNTIME_PUSH_DIR))
 endef
 
 define INSTALL_RUNTIME_TARGET_CLEANUP_N
 install-runtime-target-$(1)-cleanup:
 	$(Q)$(call ADB,remount)
-	$(Q)$(call ADB_SHELL,rm,/system/lib/$(CFG_RUNTIME_$(1)))
-	$(Q)$(call ADB_SHELL,rm,/system/lib/$(CORELIB_GLOB_$(1)))
-	$(Q)$(call ADB_SHELL,rm,/system/lib/$(STDLIB_GLOB_$(1)))
+	$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(CFG_RUNTIME_$(1)))
+	$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(CORELIB_GLOB_$(1)))
+	$(Q)$(call ADB_SHELL,rm,$(CFG_RUNTIME_PUSH_DIR)/$(STDLIB_GLOB_$(1)))
 endef
 
 $(eval $(call INSTALL_RUNTIME_TARGET_N,arm-linux-androideabi,$(CFG_BUILD_TRIPLE)))
diff --git a/mk/tests.mk b/mk/tests.mk
index 310dec8de7977c5b0e71ccddaef0e2c60a2d38c9..7fbba3095625d45a15c968f9a553801b7b09c2da 100644
--- a/mk/tests.mk
+++ b/mk/tests.mk
@@ -104,7 +104,7 @@ $(foreach target,$(CFG_TARGET_TRIPLES), \
       $(eval $(call DEF_RUNNABLE_STATUS,$(target),true))), \
     $(if $(findstring $(target),"arm-linux-androideabi"), \
       $(if $(findstring adb,$(shell which adb)), \
-        $(if $(findstring device,$(shell adb devices 2>/dev/null | grep -E '^[A-Za-z0-9]+[[:blank:]]+device')), \
+        $(if $(findstring device,$(shell adb devices 2>/dev/null | grep -E '^[A-Za-z0-9-]+[[:blank:]]+device')), \
           $(info check: $(target) test set is runnable \
             $(info check: adb device attached) \
             $(eval $(call DEF_RUNNABLE_STATUS,$(target),true))), \
@@ -129,9 +129,8 @@ CFG_ADB_PATH := $(shell which adb)
 CFG_ADB_TEST_DIR=/system/tmp
 
 $(info check: device $(CFG_ADB_TEST_DIR) \
+ $(shell $(CFG_ADB_PATH) remount 1>/dev/null) \
  $(shell $(CFG_ADB_PATH) shell mkdir $(CFG_ADB_TEST_DIR) 1>/dev/null) \
- $(shell $(CFG_ADB_PATH) shell rm $(CFG_ADB_TEST_DIR)/*-arm-linux-androideabi 1>/dev/null) \
- $(shell $(CFG_ADB_PATH) shell rm $(CFG_ADB_TEST_DIR)/*.so 1>/dev/null) \
  )
 endif