--- a/taskcluster/ci/legacy/tasks/branches/try/job_flags.yml
+++ b/taskcluster/ci/legacy/tasks/branches/try/job_flags.yml
@@ -98,16 +98,28 @@ builds:
       debug:
         task: tasks/builds/dbg_linux64-asan.yml
   macosx64-st-an:
     platforms:
       - MacOSX64 Static Analysis
     types:
       opt:
         task: tasks/builds/opt_macosx64_st-an.yml
+  aries-eng:
+    platforms:
+      - b2g
+    types:
+      opt:
+        task: tasks/builds/b2g_aries_eng.yml
+  nexus-5l-eng:
+    platforms:
+      - b2g
+    types:
+      opt:
+        task: tasks/builds/b2g_nexus_5l_eng.yml
 
 post-build:
   upload-symbols:
     allowed_build_tasks:
       - tasks/builds/opt_linux64.yml
       - tasks/builds/opt_linux64_st-an.yml
       - tasks/builds/dbg_linux64.yml
       - tasks/builds/android_api_15.yml

--- a/testing/tools/autotry/autotry.py
+++ b/testing/tools/autotry/autotry.py
@@ -36,17 +36,18 @@ def validate_choices(values, choices):
 class ValidatePlatforms(argparse.Action):
     def __call__(self, parser, args, values, option_string=None):
         choices = ['linux', 'linux64', 'linux64-asan', 'linux64-st-an',
                    'linux64-valgrind', 'linux64-haz', 'macosx64',
                    'macosx64-st-an', 'win32', 'win64', 'android-api-9',
                    'android-api-15', 'android-api-15-gradle-dependencies',
                    'android-api-15-frontend', 'android-x86', 'sm-arm-sim',
                    'sm-compacting', 'sm-generational', 'sm-plain',
-                   'sm-rootanalysis', 'sm-warnaserr', 'all']
+                   'sm-rootanalysis', 'sm-warnaserr', 'aries-eng',
+                   'nexus-5l-eng', 'all']
         validate_choices(values, choices)
         setattr(args, self.dest, values)
 
 class ValidateUnittestSuites(argparse.Action):
     def __call__(self, parser, args, values, option_string=None):
         choices = ['none', 'all', 'reftest', 'reftest-1', 'reftest-2',
                    'reftest-3', 'reftest-4', 'reftest-e10s',
                    'reftest-no-accel', 'crashtest', 'crashtest-e10s',