Samsung Electronics Co., Ltd.
Xiaomi Inc.
Scalea software
Mathlab Apps, LLC
Oppo
MathAlly
Ralf Schroth
MyScript
Google Inc.
Xlythe (Calculator)
HUAWEI
Simple Mobile Tools
Digitalchemy, LLC
Google LLC
FishingNet
Hide Apps (NO ROOT)
HiPER Development Studio
KiteTech
SoftDroid
fmthead
MDroid Apps
Jupiter Applications
yasser
Mati Ul Rehman
AppDevGenie