diff --git a/gui/fileselector.cpp b/gui/fileselector.cpp
index 2778f96..a32743a 100644
--- a/gui/fileselector.cpp
+++ b/gui/fileselector.cpp
@@ -69,6 +69,12 @@
 		if (attr)
 			mShowNavFolders = atoi(attr->value());
 	}
+	child = FindNode(node, "prfxfilter");
+	if (child) {
+		attr = child->first_attribute("prfx");
+		if (attr)
+			mPrfx = attr->value();
+	}
 
 	// Handle the path variable
 	child = FindNode(node, "path");
@@ -261,6 +267,7 @@
 
 	while ((de = readdir(d)) != NULL) {
 		FileData data;
+		bool match = false;
 
 		data.fileName = de->d_name;
 		if (data.fileName == ".")
@@ -292,26 +299,52 @@
 			for (const std::string& mExtnElement : mExtnResults)
 			{
 				std::string mExtnName = android::base::Trim(mExtnElement);
-				if (mExtnName.empty() || (data.fileName.length() > mExtnName.length() && data.fileName.substr(data.fileName.length() - mExtnName.length()) == mExtnName)) {
+				if (mExtnName.empty() || (data.fileName.length() >= mExtnName.length() && data.fileName.substr(data.fileName.length() - mExtnName.length()) == mExtnName)) {
 					if (mExtnName == ".ab" && twadbbu::Check_ADB_Backup_File(path))
 						mFolderList.push_back(data);
 					else
 						mFileList.push_back(data);
+					match = true;
+					break;
+				}
 			}
+
+			if (!match) {
+				std::vector<std::string> mPrfxResults = android::base::Split(mPrfx, ";");
+				for (const std::string& mPrfxElement : mPrfxResults)
+				{
+					std::string mPrfxName = android::base::Trim(mPrfxElement);
+					if (!mPrfxName.empty() && data.fileName.length() >= mPrfxName.length() && data.fileName.substr(0, mPrfxName.length()) == mPrfxName) {
+						mFileList.push_back(data);
+					}
 #else //On android 5.1 we can't use android::base::Trim and Split so just use the first extension written in the list
 			std::size_t seppos = mExtn.find_first_of(";");
 			std::string mExtnf;
 			if (seppos!=std::string::npos){
 				mExtnf = mExtn.substr(0, seppos);
 			} else {
-			mExtnf = mExtn;
+				mExtnf = mExtn;
 			}
-			if (mExtnf.empty() || (data.fileName.length() > mExtnf.length() && data.fileName.substr(data.fileName.length() - mExtnf.length()) == mExtnf)) {
+			if (mExtnf.empty() || (data.fileName.length() >= mExtnf.length() && data.fileName.substr(data.fileName.length() - mExtnf.length()) == mExtnf)) {
 				if (mExtnf == ".ab" && twadbbu::Check_ADB_Backup_File(path))
 					mFolderList.push_back(data);
 				else
 					mFileList.push_back(data);
+				match = true;
+			}
+
+			if (!match) {
+				std::size_t seppos = mPrfx.find_first_of(";");
+				std::string mPrfxf;
+				if (seppos!=std::string::npos){
+					mPrfxf = mPrfx.substr(0, seppos);
+				} else {
+					mPrfxf = mPrfx;
+				}
+				if (!mPrfxf.empty() && data.fileName.length() >= mPrfxf.length() && data.fileName.substr(0, mPrfxf.length()) == mPrfxf) {
+					mFileList.push_back(data);
 #endif
+				}
 			}
 		}
 	}
diff --git a/gui/objects.hpp b/gui/objects.hpp
index ccfc522..02f9e54 100755
--- a/gui/objects.hpp
+++ b/gui/objects.hpp
@@ -608,6 +608,7 @@
 	std::string mPathVar; // current path displayed, saved in the data manager
 	std::string mPathDefault; // default value for the path if none is set in mPathVar
 	std::string mExtn; // used for filtering the file list, for example, *.zip
+	std::string mPrfx; // used for filtering the file list, for example, Magisk-
 	std::string mVariable; // set when the user selects an item, pull path like /path/to/foo
 	std::string mSortVariable; // data manager variable used to change the sorting of files
 	std::string mSelection; // set when the user selects an item without the full path like selecting /path/to/foo would just be set to foo
diff --git a/gui/theme/common/landscape.xml b/gui/theme/common/landscape.xml
index babf5b4..65850c0 100755
--- a/gui/theme/common/landscape.xml
+++ b/gui/theme/common/landscape.xml
@@ -311,6 +311,7 @@
 				<placement x="%col2_x_left%" y="%row1a_y%" w="%fileselector_install_width%" h="%fileselector_install_height%"/>
 				<text>%tw_zip_location%</text>
 				<filter extn=".zip;.ozip;.ZIP;.OZIP" folders="0" files="1"/>
+				<prfxfilter prfx="Magisk-;Magisk.apk;app-release.apk;app-debug.apk" folders="1" files="1"/>
 				<path name="tw_zip_location" default="/sdcard"/>
 				<data name="tw_filename"/>
 				<selection name="tw_file"/>
diff --git a/gui/theme/common/portrait.xml b/gui/theme/common/portrait.xml
index 36356fb..b669693 100755
--- a/gui/theme/common/portrait.xml
+++ b/gui/theme/common/portrait.xml
@@ -268,6 +268,7 @@
 				<placement x="%indent%" y="%row3_y%" w="%content_width%" h="%fileselector_install_height%"/>
 				<text>%tw_zip_location%</text>
 				<filter extn=".zip;.ozip;.ZIP;.OZIP" folders="1" files="1"/>
+				<prfxfilter prfx="Magisk-;Magisk.apk;app-release.apk;app-debug.apk" folders="1" files="1"/>
 				<path name="tw_zip_location" default="/sdcard"/>
 				<data name="tw_filename"/>
 				<selection name="tw_file"/>
diff --git a/gui/theme/common/watch.xml b/gui/theme/common/watch.xml
index 05438a6..50f3c2b 100755
--- a/gui/theme/common/watch.xml
+++ b/gui/theme/common/watch.xml
@@ -399,6 +399,7 @@
 				<placement x="%indent%" y="%row2_header_y%" w="%content_width%" h="%fileselector_install_height%"/>
 				<text>%tw_zip_location%</text>
 				<filter extn=".zip;.ozip;.ZIP;.OZIP" folders="1" files="1"/>
+				<prfxfilter prfx="Magisk-;Magisk.apk;app-release.apk;app-debug.apk" folders="1" files="1"/>
 				<path name="tw_zip_location" default="/sdcard"/>
 				<data name="tw_filename"/>
 				<selection name="tw_file"/>